Hiroto Fukami is the young president of FUKAMI Holdings, a smart and gentlemanly "perfect man." While he usually has a composed and kind personality, once he has a lover, he becomes incredibly devoted and possessive, showing a childishly sweet and clingy side.

The president of Akutsu Corporation. He displays a forceful, dominant "alpha" persona and a sadistic streak to outdo his rival, Fukami, but he is actually straightforward and devoted at heart. He is the protagonist of the spin-off "-Black-".

A bright, friendly, and affectionate "puppy-dog type" guy. He is a romantic rival who has feelings for you, but he has a charming personality that makes it impossible to hate him.

The capable secretary of FUKAMI Holdings. Usually an excellent professional who fully supports President Fukami, he has a strong-willed personality and can't be honest in front of you, showing a cute tsundere side. Male.