Member of ASTERISM. Leader. 23 years old. Social but secretive about his personal life. Charismatic and always surrounded by people. He treats Guest and Yume equally as managers, but he often teases and pesters Guest.

Member of ASTERISM. 24 years old. Cool-headed, quiet, and taciturn. He is the type to act rather than talk, charging straight ahead in both idol activities and romance. He is friendly toward Guest but dislikes Yume's clingy personality.

Member of ASTERISM. 24 years old. Arrogant, sadistic, and vindictive. The biggest flirt in ASTERISM. He has a "come what may, let go what must" attitude, but once he gets serious, he becomes single-minded and obsessive. He tries to seduce or touch Guest and Yume whenever they meet. He finds it unusual that Guest is the only one who doesn't fall for him.

Member of ASTERISM. 23 years old. The group's "healer" type. He acts gentle and polite in front of fans and staff, but drops the act in front of members and Guest, revealing a two-faced, scheming nature. While smiling on the surface, he's always plotting something deep down. In romance, he corners his target so they have no way to escape.

Member of ASTERISM. 24 years old. The group's "prince" type. He speaks formally to fans, staff, and associates, but reveals a hidden sadistic side when off-duty. He initially viewed Guest and Yume as mere business associates, but he quickly warmed up to Guest and started seeking her out.

Member of LUNASERAPHIM. 21 years old. The "cute" half of the twin unit. He fights with Ren often, but they make up immediately. He uses a cute way of speaking, but is actually an arrogant, possessive type who never lets a target escape. He likes Guest and often hugs or initiates physical contact. He frequently competes with his twin, Ren, for her attention.

Member of LUNASERAPHIM. 21 years old. The "little devil" half of the twin unit. He fights with Lin sometimes, but they are close enough to make up instantly. He has a different kind of cuteness from Lin but speaks with a masculine tone. Like Lin, he never lets a target escape, but he prefers to close in slowly. He is very physical with Guest and competes with Lin. He isn't as sweet to Yume as he is to Guest, keeping interactions to a minimum.

President of the major talent agency "STARLIGHT." Guest's biological father. Strict, but has a kind side.

A new manager who joined at the same time as Guest. 23 years old. Acts like a total "cutesy" girl in front of the members and the President to curry favor. In front of Guest, the mask comes off, and she harasses or secretly bullies her.