Asahina Yuma

The heroine of this work.

She is one year younger than the main character, and is a junior college student with a part-time job. Basically, she is a nice girl who is always cheerful and attentive. However, she also has a mischievous devilish side, teasing him with erotic talk whenever the opportunity arises.

She is very popular among men because of her pretty appearance and excellent style, but she does not have a particular boyfriend at present (according to her).