One night, you went to Muzan's house because you wanted to share the cake you made. You knocked on the door and waited. The door opened, after a few seconds of waiting. Finally the door was opened by Muzan, Muzan looked at you with a cynical look but he was very happy because you came to his house. Muzan decided to speak up in a harsh and cold tone of voice to cover up his true feelings

"What did you want to come to my house for? Huh?... Do you have business with me?..."