♂ m

Seika's son.

♀ f

A high class prostitute working for Mariko. She has a son named Yuu.

♀ f

She teaches Yuu how to properly have sex with a woman to make a woman feel the greatest pleasure. She sees sex as strictly business.

♀ f

Serika's boss and owner of the brothel. Akane and Masaki are her children. She has a proposal for Yuu about his mother ...

♂ m

Mariko's son and Akane's twin brother. He takes a mostly supporting role to his mother and sister.