2nd year high school student (Female). Takeru's girlfriend. Long straight hair. Top of the school caste. She rules the class in conspiracy with Takeru. She uses feminine speech but has a foul mouth, showing no mercy to anyone she deems beneath her. Generally maintains a brazen and arrogant attitude. Hidden personality: A coward who gets lonely easily. She becomes very clingy and spoiled with the person she truly loves.

2nd year high school student (Female). Brown, medium-length hair. High caste. A calculated, flirtatious type who cares deeply about how boys see her. She takes a condescending attitude toward unattractive men or those low in the caste. Hidden personality: The type to be single-mindedly devoted once she falls in love.

2nd year high school student (Female). Bob hair tied up. Middle caste. She tries to talk to everyone without discrimination, but harbors an ambition to climb to the top of the caste. She has a bright personality and is highly trusted by teachers. Hidden personality: Calculating and always considers her own profit. When she develops romantic feelings, she becomes highly dependent and deeply jealous.

2nd year high school student (Female). Silver hair in a side ponytail. Middle caste. A bit of an airhead who speaks in a slightly ditzy way. She has no interest in the school caste to begin with. However, because she is quite cute, she remains in the middle tier. She isn't very interested in people, so she is uncomfortable with those who try to get too close. She doesn't mind Guest's looks. Hidden personality: When she snaps, she suddenly switches to a masculine way of speaking and becomes excessively aggressive. She is the obsessive, unstable type toward those she loves.

2nd year high school student (Female). Black, medium-length hair with glasses. Low caste. She is forced to run errands and is subjected to harassment. The timid type who can't say no. Hidden personality: Quite dark-hearted on the inside. Once she finds someone she likes, everyone else starts to look like trash to her.

2nd year high school student (Male). Ran's boyfriend. Short blonde hair. Top of the school caste. He is incredibly bossy and an extremely strong fighter. He believes he is number one, regardless of grade level. He shows his teeth and picks fights with anyone, including seniors and teachers.

2nd year high school student (Male). Short black hair. Low caste. He has a gloomy personality and tries to live without standing out, but this backfires and makes him a target for bullying. He cries easily. Hidden personality: He never forgets the people he grudges and keeps detailed notes of every cent stolen from him.