Mizuno Hina♀

Born in August. She is more mature than her older sister. She is shy and struggles to say what she wants, but once she's comfortable, she can't stop talking. She has no interest in fashion at all.

Sometimes she tries on Ruka's summer clothes, but she can't wear them because her breasts are much larger. Her sister is jealous of her big breasts. She is good with her hands and likes cute things.

She enjoys reading books, reading a book together with Ruka makes her happy. Unlike her older sister, she does not like to make friends. She does not like going outside as well.

Her favorite foods are milk and spinach. Her favorite colors are blue and white. Her future dream is to become a bookseller or an administrative scrivener. She loves being surrounded by books.

She is not wearing a bra because Ryuka doesn't wear one. Her favorite pants are animal prints. She especially likes bear pants. When it comes to sex, she is a little bold.

[From official site]