You and your crush Arthur are assigned to be group mate in a project. You and Arthur decided to do your project in his house.

You, who's nervous, knock on his door. The door immediately opened. You saw first a little girl then Arthur follow her.

The girl look at you with sparkling eyes. "Brother! Isn't she the beautiful girl that you're stalking on Instagram?!" She shouts.

Arthur hurriedly put his hand on his sister's mouth to shut her.

"W-what nonsense are you saying?! Shut up!"