A student in the grade above our protagonist at the same school, and the heroine of Part II.

Her father the boss of a crime syndicate, Kotoko still has a sense of what is just and right. With Itsuki and the gang in twenty million yen of debt, she hopes to be of at least some use to them, having herself given permission for their business. Thanks to rumors about the daughter of a crime lord attending the school, Kotoko spends a lot of time alone, without anyone she can truly call a friend.

Unfamiliar with romance and sexuality, she puts on a brave front when these topics arise despite her internal unrest. She likes stationery and accessories with panda designs on.

Due to her slight build and indifferent temperament, she gives off the impression of being fragile. However, she proves to have extraordinary skills when handling emergencies. She likes sweet things.

Meryl seems to stand on an equal footing with Kotoko, and the Yakuza treat her with the utmost respect.

The protagonist’s long-time acquaintance and fellow classmate.

A paragon of perfection with good looks, exemplary behavior, and excellent grades, she’s popular with boys and girls alike at school. However, this is merely a mask, hiding the cunning, scheming vixen she really is.

Despite having been raised in a wealthy environment, she has an extreme attachment to money, and earns a fortune working with Hina to operate a large scale escort business. When trouble arises in her business venture with Itsuki, she at first attempts to wash her hands of it, but thanks to Hina’s intervention she remains to search for solutions with the rest of the gang. She is meticulous in hiding her own footsteps, and never makes contact with anyone other than Itsuki and Hina.

Itsuki’s classmate.

Hina has her share of unsavory friends, but is herself friendly and likable. She places her full trust in Itsuki, and the two of them have overcome dangerous situations together. While she and Itsuki are not lovers, they do share a physical connection.

Currently a party to Rin’s escort service, she also aids Itsuki and the gang with their business.