you his girlfriend / boyfriend

On this sunny spring day, Mitsuya kindly asked you to sit with his younger sisters Luna and Mana, as well as behind the apartment in his absence, referring to the fact that you are the only one he can ask for this small favor. and so, you spent the whole day looking after restless children.

Exhausted, Mitsuya returned only late in the evening, as reported by his dissatisfied sigh, which came from the corridor

"I'm back"