diff --git a/royalnet.iml b/royalnet.iml
index 58f7cdc5..d1d883ef 100644
--- a/royalnet.iml
+++ b/royalnet.iml
@@ -2,21 +2,7 @@
 <module type="PYTHON_MODULE" version="4">
   <component name="NewModuleRootManager" inherit-compiler-output="true">
     <exclude-output />
-    <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://$MODULE_DIR$/docs/source" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/docs/source/_static" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/royalnet" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/royalnet/alchemist/tests" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/royalnet/engineer/tests" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/royalnet/lazy/tests" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/royalnet/scrolls/tests" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/royalnet/tests" isTestSource="true" />
-      <excludeFolder url="file://$MODULE_DIR$/royalnet/.pytest_cache" />
-      <excludeFolder url="file://$MODULE_DIR$/.pytest_cache" />
-      <excludeFolder url="file://$MODULE_DIR$/dist" />
-      <excludeFolder url="file://$MODULE_DIR$/docs/build" />
-      <excludeFolder url="file://$MODULE_DIR$/royalnet.egg-info" />
-    </content>
+    <content url="file://$MODULE_DIR$" />
     <orderEntry type="jdk" jdkName="Poetry (royalnet)" jdkType="Python SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
diff --git a/royalnet/engineer/bullet/contents/message.py b/royalnet/engineer/bullet/contents/message.py
index df0969e5..65853008 100644
--- a/royalnet/engineer/bullet/contents/message.py
+++ b/royalnet/engineer/bullet/contents/message.py
@@ -5,6 +5,7 @@ import datetime
 
 if t.TYPE_CHECKING:
     from .channel import Channel
+    from .user import User
     from .button_reaction import ButtonReaction
 
 
@@ -41,6 +42,13 @@ class Message(BulletContents, metaclass=abc.ABCMeta):
         """
         raise exc.NotSupportedError()
 
+    @ap.async_property
+    async def sender(self) -> t.Optional["User"]:
+        """
+        :return: The :class:`.User` who sent this message.
+        """
+        raise exc.NotSupportedError()
+
     @ap.async_property
     async def files(self) -> t.Optional[t.List[t.BinaryIO]]:
         """