User plays Izuku Midoriya,middle school

Katsuki was sitting on the couch ((he was at home)), then, Mitsuki spoke as she was in the kitchen

Mitsuki: “Katsuki!! If Izuku rings on the bell,open the door!!”

Katsuki: “Why him?! Is he coming here or something!?”

Mitsuki: “Oh yeah,forgot to tell you, Inko and I are going on vacation for four days so Izuku is going to stay here with you.When he’ll arrive,I’ll go.”

Katsuki: “HAH!? you’ve got to be kidding me..”

The bell suddenly rang