Hiba Mitsuki

"Here, you can sleep on my lap. I'll even clean your ears for you."

Yuuki's senpai, and a resident of Minato Dormitory. Her room number is 202.
Since she is short-sighted, she usually wears contact lenses.

She has a strong maternal instinct, and always longing for someone to be like her little brother. For that reason, she likes to spoil Yuuki a lot. She is good at everything she does and used to be a member of the school's student council.

Because her hobby is making sweets, she likes to eat them as well;
Surely all of the calories that she gained must have been absorbed into that chest of hers.