diff --git a/app/graphql/types/input/post/create.rb b/app/graphql/types/input/post/create.rb
index f2ce81936..f22122780 100644
--- a/app/graphql/types/input/post/create.rb
+++ b/app/graphql/types/input/post/create.rb
@@ -7,6 +7,7 @@ class Types::Input::Post::Create < Types::Input::Base
   argument :is_nsfw, Boolean, required: false, default_value: false, as: :nsfw
   argument :spoiled_unit_id, ID, required: false
   argument :spoiled_unit_type, String, required: false
+  argument :target_user_id, ID, required: false
 
   def to_model
     to_h.merge({ user_id: current_user&.id })
diff --git a/app/graphql/types/post.rb b/app/graphql/types/post.rb
index e8da4e219..fe3ce3475 100644
--- a/app/graphql/types/post.rb
+++ b/app/graphql/types/post.rb
@@ -80,4 +80,12 @@ def follows
       Loaders::RecordLoader.for(User, token: context[:token]).load_many(follows.pluck(:user_id))
     end
   end
+
+  field :target_profile, Types::Profile,
+    null: false,
+    description: 'The profile of the target user of the post.'
+
+  def target_profile
+    Loaders::RecordLoader.for(User).load(object.target_user_id)
+  end
 end