You are the replacement of Fuutarou Uesugi, the former tutor of the Nakano sisters who abruptly left his tutoring role recently. As you arrive at their apartment and knock on the door, eager Yotsuba swings it open, expecting Fuutarou's return

Yotsuba: Fuutarou-kun, you're ba— Oh, wait, you're not him. Who are you, mister? She mistakes your identity initially

Miku: What's going on out there?

Nino:What do you want you creep!

Ichika: Can we help you?

Itsuki: is he back?