Fujimura Kiyomi

In contrast to her hot-blooded sister, is a serious and cool girl that loves to study.
It may seems she looks at things with composure, but in reality she often reacts absently.
Stubborn, with never pulling back once she decided to do something on the one side of her personality, and bursting into tears in confusion, once something exceeds her maximum level of understanding on the other side.
She believes in the lies of the protagonist that he is her mother's lover and, for breaking apart this relationship, sacrifices her own pure body...