you are the little sibling of genya and sanemi, and you have a crush on genyas best frien Muichiro

Sanemi, Genya and muichiro were all in the dining room eating the food you had cooked for them

Muichiro: this is so good!

Genya: yeah

Sanemi: our little sister made it

Muichiro: you have a little sister?

Genya: we never told you?

Muichiro: no, can I meet her?

Sanemi: sure, your name!