diff --git a/app/controllers/api/v1/accounts_controller.rb b/app/controllers/api/v1/accounts_controller.rb
index ddb94d5ca4..0addcbe215 100644
--- a/app/controllers/api/v1/accounts_controller.rb
+++ b/app/controllers/api/v1/accounts_controller.rb
@@ -36,7 +36,7 @@ class Api::V1::AccountsController < Api::BaseController
 
   def follow
     follow  = FollowService.new.call(current_user.account, @account, reblogs: params.key?(:reblogs) ? truthy_param?(:reblogs) : nil, notify: params.key?(:notify) ? truthy_param?(:notify) : nil, languages: params.key?(:languages) ? params[:languages] : nil, with_rate_limit: true)
-    options = @account.locked? || current_user.account.silenced? ? {} : { following_map: { @account.id => { reblogs: follow.show_reblogs?, notify: follow.notify?, languages: follow.languages } }, requested_map: { @account.id => false } }
+    options = @account.locked? || current_user.account.silenced? || (current_user.account.bot? && @account.user&.setting_lock_follow_from_bot) ? {} : { following_map: { @account.id => { reblogs: follow.show_reblogs?, notify: follow.notify?, languages: follow.languages } }, requested_map: { @account.id => false } }
 
     render json: @account, serializer: REST::RelationshipSerializer, relationships: relationships(**options)
   end
diff --git a/app/lib/activitypub/activity/follow.rb b/app/lib/activitypub/activity/follow.rb
index 3714648c01..a586298eec 100644
--- a/app/lib/activitypub/activity/follow.rb
+++ b/app/lib/activitypub/activity/follow.rb
@@ -30,7 +30,7 @@ class ActivityPub::Activity::Follow < ActivityPub::Activity
 
     follow_request = FollowRequest.create!(account: @account, target_account: target_account, uri: @json['id'])
 
-    if target_account.locked? || @account.silenced? || block_straight_follow?
+    if target_account.locked? || @account.silenced? || block_straight_follow? || (@account.bot? && target_account.user&.setting_lock_follow_from_bot)
       LocalNotificationWorker.perform_async(target_account.id, follow_request.id, 'FollowRequest', 'follow_request')
     else
       AuthorizeFollowService.new.call(@account, target_account)
diff --git a/app/lib/status_reach_finder.rb b/app/lib/status_reach_finder.rb
index 7bdc300e1c..09596d8769 100644
--- a/app/lib/status_reach_finder.rb
+++ b/app/lib/status_reach_finder.rb
@@ -30,9 +30,9 @@ class StatusReachFinder
     if @status.reblog?
       []
     elsif @status.limited_visibility?
-      Account.where(id: mentioned_account_ids).where.not(domain: banned_domains).inboxes
+      expect_bot_query(Account.where(id: mentioned_account_ids).where.not(domain: banned_domains)).inboxes
     else
-      Account.where(id: reached_account_ids).where.not(domain: banned_domains).inboxes
+      expect_bot_query(Account.where(id: reached_account_ids).where.not(domain: banned_domains)).inboxes
     end
   end
 
@@ -40,9 +40,9 @@ class StatusReachFinder
     if @status.reblog?
       []
     elsif @status.limited_visibility?
-      Account.where(id: mentioned_account_ids).where(domain: banned_domains_for_misskey).inboxes
+      expect_bot_query(Account.where(id: mentioned_account_ids).where(domain: banned_domains_for_misskey)).inboxes
     else
-      Account.where(id: reached_account_ids).where(domain: banned_domains_for_misskey).inboxes
+      expect_bot_query(Account.where(id: reached_account_ids).where(domain: banned_domains_for_misskey)).inboxes
     end
   end
 
@@ -90,21 +90,25 @@ class StatusReachFinder
 
   def followers_inboxes
     if @status.in_reply_to_local_account? && distributable?
-      @status.account.followers.or(@status.thread.account.followers.not_domain_blocked_by_account(@status.account)).where.not(domain: banned_domains).inboxes
+      scope = @status.account.followers.or(@status.thread.account.followers.not_domain_blocked_by_account(@status.account)).where.not(domain: banned_domains)
+      expect_bot_query(scope).inboxes
     elsif @status.direct_visibility? || @status.limited_visibility?
       []
     else
-      @status.account.followers.where.not(domain: banned_domains).inboxes
+      scope = @status.account.followers.where.not(domain: banned_domains)
+      expect_bot_query(scope).inboxes
     end
   end
 
   def followers_inboxes_for_misskey
     if @status.in_reply_to_local_account? && distributable?
-      @status.account.followers.or(@status.thread.account.followers.not_domain_blocked_by_account(@status.account)).where(domain: banned_domains_for_misskey).inboxes
+      scope = @status.account.followers.or(@status.thread.account.followers.not_domain_blocked_by_account(@status.account)).where(domain: banned_domains_for_misskey)
+      expect_bot_query(scope).inboxes
     elsif @status.direct_visibility? || @status.limited_visibility?
       []
     else
-      @status.account.followers.where(domain: banned_domains_for_misskey).inboxes
+      scope = @status.account.followers.where(domain: banned_domains_for_misskey)
+      expect_bot_query(scope).inboxes
     end
   end
 
@@ -163,4 +167,12 @@ class StatusReachFinder
     from_domain_block = DomainBlock.where(detect_invalid_subscription: true).pluck(:domain)
     (from_info + from_domain_block).uniq
   end
+
+  def expect_bot_query(scope)
+    if @status.account.user&.setting_stop_deliver_to_bot
+      scope.where('actor_type NOT IN (\'Application\', \'Service\') OR accounts.id IN (?)', (@status.mentioned_accounts.pluck(:id) + [@status.in_reply_to_account_id]).compact)
+    else
+      scope
+    end
+  end
 end
diff --git a/app/models/concerns/has_user_settings.rb b/app/models/concerns/has_user_settings.rb
index 674804c295..3d12b0a07f 100644
--- a/app/models/concerns/has_user_settings.rb
+++ b/app/models/concerns/has_user_settings.rb
@@ -235,6 +235,14 @@ module HasUserSettings
     settings['disallow_unlisted_public_searchability']
   end
 
+  def setting_lock_follow_from_bot
+    settings['lock_follow_from_bot']
+  end
+
+  def setting_stop_deliver_to_bot
+    settings['stop_deliver_to_bot']
+  end
+
   def allows_report_emails?
     settings['notification_emails.report']
   end
diff --git a/app/models/user_settings.rb b/app/models/user_settings.rb
index b16e89556b..834469d359 100644
--- a/app/models/user_settings.rb
+++ b/app/models/user_settings.rb
@@ -40,6 +40,8 @@ class UserSettings
   setting :unsafe_limited_distribution, default: false
   setting :dtl_force_with_tag, default: :none, in: %w(full searchability none)
   setting :dtl_force_subscribable, default: false
+  setting :lock_follow_from_bot, default: false
+  setting :stop_deliver_to_bot, default: false
 
   setting_inverse_alias :indexable, :noindex
 
diff --git a/app/services/follow_service.rb b/app/services/follow_service.rb
index feea40e3c0..fc2868a02f 100644
--- a/app/services/follow_service.rb
+++ b/app/services/follow_service.rb
@@ -36,7 +36,7 @@ class FollowService < BaseService
     # and the feeds are being merged
     mark_home_feed_as_partial! if @source_account.not_following_anyone?
 
-    if (@target_account.locked? && !@options[:bypass_locked]) || @source_account.silenced? || @target_account.activitypub?
+    if (@target_account.locked? && !@options[:bypass_locked]) || @source_account.silenced? || @target_account.activitypub? || (@source_account.bot? && @target_account.user&.setting_lock_follow_from_bot)
       request_follow!
     elsif @target_account.local?
       direct_follow!
diff --git a/app/views/settings/preferences/other/show.html.haml b/app/views/settings/preferences/other/show.html.haml
index 641efde9df..30b411c557 100644
--- a/app/views/settings/preferences/other/show.html.haml
+++ b/app/views/settings/preferences/other/show.html.haml
@@ -11,6 +11,12 @@
     .fields-group
       = ff.input :aggregate_reblogs, wrapper: :with_label, recommended: true, label: I18n.t('simple_form.labels.defaults.setting_aggregate_reblogs'), hint: I18n.t('simple_form.hints.defaults.setting_aggregate_reblogs')
 
+    .fields-group
+      = ff.input :lock_follow_from_bot, wrapper: :with_label, kmyblue: true, label: I18n.t('simple_form.labels.defaults.setting_lock_follow_from_bot')
+
+    .fields-group
+      = ff.input :stop_deliver_to_bot, wrapper: :with_label, kmyblue: true, label: I18n.t('simple_form.labels.defaults.setting_stop_deliver_to_bot')
+
     %h4= t 'preferences.posting_defaults'
 
     .fields-row
diff --git a/config/locales/simple_form.en.yml b/config/locales/simple_form.en.yml
index 355bdb4809..a6592a4658 100644
--- a/config/locales/simple_form.en.yml
+++ b/config/locales/simple_form.en.yml
@@ -262,6 +262,7 @@ en:
         setting_hide_recent_emojis: Hide recent emojis
         setting_hide_statuses_count: Hide statuses count
         setting_link_preview: Generate post link preview card
+        setting_lock_follow_from_bot: Request approval about bot follow
         setting_noai: Set noai meta tags
         setting_public_post_to_unlisted: Convert public post to public unlisted if not using Web app
         setting_reduce_motion: Reduce motion in animations
@@ -272,6 +273,7 @@ en:
         setting_show_emoji_reaction_on_timeline: Show all stamps on timeline
         setting_simple_timeline_menu: Reduce post menu on timeline
         setting_stay_privacy: Not change privacy after post
+        setting_stop_deliver_to_bot: Stop delivering servers only bots follow you
         setting_stop_emoji_reaction_streaming: Disable stamp streamings
         setting_system_font_ui: Use system's default font
         setting_theme: Site theme
diff --git a/config/locales/simple_form.ja.yml b/config/locales/simple_form.ja.yml
index 9c45732db9..0bc51eacff 100644
--- a/config/locales/simple_form.ja.yml
+++ b/config/locales/simple_form.ja.yml
@@ -276,7 +276,9 @@ ja:
         setting_hide_recent_emojis: 絵文字ピッカーで最近使用した絵文字を隠す（リアクションデッキのみを表示する）
         setting_hide_statuses_count: 投稿数を隠す
         setting_link_preview: リンクのプレビューを生成する
+        setting_lock_follow_from_bot: botからのフォローを承認制にする
         setting_stay_privacy: 投稿時に公開範囲を保存する
+        setting_stop_deliver_to_bot: フォロワーがbotしかいないサーバーへメンション以外の投稿の配送を行わない
         setting_noai: 自分のコンテンツのAI学習利用に対して不快感を表明する
         setting_public_post_to_unlisted: サードパーティから公開範囲「公開」で投稿した場合、「ローカル公開」に変更する
         setting_reduce_motion: アニメーションの動きを減らす
diff --git a/spec/controllers/api/v1/accounts_controller_spec.rb b/spec/controllers/api/v1/accounts_controller_spec.rb
index 0daec691a5..985e2b947b 100644
--- a/spec/controllers/api/v1/accounts_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts_controller_spec.rb
@@ -49,10 +49,16 @@ RSpec.describe Api::V1::AccountsController do
 
   describe 'POST #follow' do
     let(:scopes) { 'write:follows' }
+    let(:my_actor_type) { 'Person' }
+    let(:lock_follow_from_bot) { false }
     let(:other_account) { Fabricate(:account, username: 'bob', locked: locked) }
 
     context 'when posting to an other account' do
       before do
+        other_account.user.settings['lock_follow_from_bot'] = lock_follow_from_bot
+        other_account.user.save!
+        user.account.update!(actor_type: my_actor_type)
+
         post :follow, params: { id: other_account.id }
       end
 
@@ -97,6 +103,29 @@ RSpec.describe Api::V1::AccountsController do
 
         it_behaves_like 'forbidden for wrong scope', 'read:accounts'
       end
+
+      context 'with unlocked account from bot' do
+        let(:locked) { false }
+        let(:lock_follow_from_bot) { true }
+        let(:my_actor_type) { 'Service' }
+
+        it 'returns http success' do
+          expect(response).to have_http_status(200)
+        end
+
+        it 'returns JSON with following=false and requested=true' do
+          json = body_as_json
+
+          expect(json[:following]).to be false
+          expect(json[:requested]).to be true
+        end
+
+        it 'creates a follow request relation between user and target user' do
+          expect(user.account.requested?(other_account)).to be true
+        end
+
+        it_behaves_like 'forbidden for wrong scope', 'read:accounts'
+      end
     end
 
     context 'when modifying follow options' do
diff --git a/spec/lib/activitypub/activity/follow_spec.rb b/spec/lib/activitypub/activity/follow_spec.rb
index ee007082a7..890ebe2750 100644
--- a/spec/lib/activitypub/activity/follow_spec.rb
+++ b/spec/lib/activitypub/activity/follow_spec.rb
@@ -3,7 +3,8 @@
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Follow do
-  let(:sender)    { Fabricate(:account, domain: 'example.com', inbox_url: 'https://example.com/inbox') }
+  let(:actor_type) { 'Person' }
+  let(:sender)    { Fabricate(:account, domain: 'example.com', inbox_url: 'https://example.com/inbox', actor_type: actor_type) }
   let(:recipient) { Fabricate(:account) }
 
   let(:json) do
@@ -83,6 +84,25 @@ RSpec.describe ActivityPub::Activity::Follow do
         end
       end
 
+      context 'when unlocked account but locked from bot' do
+        let(:actor_type) { 'Service' }
+
+        before do
+          recipient.user.settings['lock_follow_from_bot'] = true
+          recipient.user.save!
+          subject.perform
+        end
+
+        it 'does not create a follow from sender to recipient' do
+          expect(sender.following?(recipient)).to be false
+        end
+
+        it 'creates a follow request' do
+          expect(sender.requested?(recipient)).to be true
+          expect(sender.follow_requests.find_by(target_account: recipient).uri).to eq 'foo'
+        end
+      end
+
       context 'when domain block reject_straight_follow' do
         before do
           Fabricate(:domain_block, domain: 'example.com', reject_straight_follow: true)
diff --git a/spec/lib/status_reach_finder_spec.rb b/spec/lib/status_reach_finder_spec.rb
index 57946d3a70..a0128184f7 100644
--- a/spec/lib/status_reach_finder_spec.rb
+++ b/spec/lib/status_reach_finder_spec.rb
@@ -8,9 +8,10 @@ describe StatusReachFinder do
       subject { described_class.new(status) }
 
       let(:parent_status) { nil }
+      let(:in_reply_to_account_id) { nil }
       let(:visibility) { :public }
       let(:alice) { Fabricate(:account, username: 'alice') }
-      let(:status) { Fabricate(:status, account: alice, thread: parent_status, visibility: visibility) }
+      let(:status) { Fabricate(:status, account: alice, thread: parent_status, in_reply_to_account_id: in_reply_to_account_id, visibility: visibility) }
 
       context 'with a simple case' do
         let(:bob) { Fabricate(:account, username: 'bob', domain: 'foo.bar', protocol: :activitypub, inbox_url: 'https://foo.bar/inbox') }
@@ -32,6 +33,119 @@ describe StatusReachFinder do
         end
       end
 
+      context 'with locking bot' do
+        let(:bob) { Fabricate(:account, username: 'bob', domain: 'foo.bar', protocol: :activitypub, inbox_url: 'https://foo.bar/inbox', actor_type: 'Service') }
+
+        context 'with follower' do
+          before do
+            alice.user.settings['stop_deliver_to_bot'] = true
+            alice.user.save!
+            bob.follow!(alice)
+          end
+
+          it 'send status' do
+            expect(subject.inboxes).to_not include 'https://foo.bar/inbox'
+          end
+        end
+
+        context 'with non-follower' do
+          it 'send status' do
+            expect(subject.inboxes).to_not include 'https://foo.bar/inbox'
+          end
+        end
+      end
+
+      context 'with locking bot from misskey' do
+        let(:bob) { Fabricate(:account, username: 'bob', domain: 'foo.bar', protocol: :activitypub, inbox_url: 'https://foo.bar/inbox', actor_type: 'Service') }
+
+        context 'with follower' do
+          before do
+            Fabricate(:instance_info, domain: 'foo.bar', software: 'misskey')
+            alice.user.settings['stop_deliver_to_bot'] = true
+            alice.user.save!
+            bob.follow!(alice)
+          end
+
+          it 'send status' do
+            expect(subject.inboxes).to_not include 'https://foo.bar/inbox'
+            expect(subject.inboxes_for_misskey).to_not include 'https://foo.bar/inbox'
+          end
+        end
+
+        context 'with non-follower' do
+          it 'send status' do
+            expect(subject.inboxes).to_not include 'https://foo.bar/inbox'
+            expect(subject.inboxes_for_misskey).to_not include 'https://foo.bar/inbox'
+          end
+        end
+      end
+
+      context 'with bot but not locking' do
+        let(:bob) { Fabricate(:account, username: 'bob', domain: 'foo.bar', protocol: :activitypub, inbox_url: 'https://foo.bar/inbox', actor_type: 'Service') }
+
+        context 'with follower' do
+          before do
+            bob.follow!(alice)
+          end
+
+          it 'send status' do
+            expect(subject.inboxes).to include 'https://foo.bar/inbox'
+          end
+        end
+
+        context 'with non-follower' do
+          it 'send status' do
+            expect(subject.inboxes).to_not include 'https://foo.bar/inbox'
+          end
+        end
+      end
+
+      context 'with bot but mention' do
+        let(:bob) { Fabricate(:account, username: 'bob', domain: 'foo.bar', protocol: :activitypub, inbox_url: 'https://foo.bar/inbox', actor_type: 'Service') }
+        let(:in_reply_to_account_id) { bob.id }
+
+        context 'with follower' do
+          before do
+            alice.user.settings['stop_deliver_to_bot'] = true
+            alice.user.save!
+            bob.follow!(alice)
+          end
+
+          it 'send status' do
+            expect(subject.inboxes).to include 'https://foo.bar/inbox'
+          end
+        end
+
+        context 'with non-follower' do
+          it 'send status' do
+            expect(subject.inboxes).to include 'https://foo.bar/inbox'
+          end
+        end
+      end
+
+      context 'with bot but mention to status' do
+        let(:bob) { Fabricate(:account, username: 'bob', domain: 'foo.bar', protocol: :activitypub, inbox_url: 'https://foo.bar/inbox', actor_type: 'Service') }
+        let(:parent_status) { Fabricate(:status, account: bob) }
+
+        context 'with follower' do
+          before do
+            alice.user.settings['stop_deliver_to_bot'] = true
+            alice.user.save!
+            bob.follow!(alice)
+          end
+
+          it 'send status' do
+            expect(subject.inboxes).to include 'https://foo.bar/inbox'
+          end
+        end
+
+        context 'with non-follower' do
+          it 'send status' do
+            expect(subject.inboxes).to include 'https://foo.bar/inbox'
+          end
+        end
+      end
+
       context 'when misskey case with unlisted post' do
         let(:bob) { Fabricate(:account, username: 'bob', domain: 'foo.bar', protocol: :activitypub, inbox_url: 'https://foo.bar/inbox') }
         let(:sender_software) { 'mastodon' }