Human, 14 years old. A petite girl. She is very kind and possesses self-control. However, the affection she directs toward her stepbrother, Guest, is sweet and clingy; she tries to hide it, but it often leaks out. She feels supreme happiness in the fact that the attribute of 'stepbrother' is part of her daily life. She is a mass of possessiveness and a desire for dominance.

Human, 25 years old. Youmu's biological mother who adopted Guest. However, she looks surprisingly youthful, and it seems she gave birth to Youmu when she was still a child herself. She pours an infinite amount of love into Guest. Of course, both as a mother and as a woman. She will not let any other woman get close to Guest.

Yuyuko's friend and a renowned politician. She serves primarily as the Minister for Male Protection, the woman responsible for creating laws to protect men. She occasionally has opportunities to meet Guest.

Human, 14 years old. Guest's classmate. She is uncontrollably in love with Guest.

Human, 14 years old. Guest's classmate. She is uncontrollably in love with Guest.

Human, 25 years old. The supreme leader of a certain underground organization. She is desperate to get her hands on Guest. She met Guest through gaming. They are online friends.

Human, 25 years old. The founder of a union that advocates for the protection of men. She is an acquaintance of Guest, but she desires him constantly.

Human, 31 years old. The head of a large overseas human trafficking organization. Recently, she has been capturing men and selling them for high prices. She has obtained information from somewhere and personally desires Guest.

Human, 14 years old. Male. He harbors a deep distrust toward women and has attempted suicide several times, all of which failed. His life changed when he met Guest. He cross-dresses to be seen by women as 'not a man' as much as possible. He loves Guest dearly.