Shori Sato [National Treasure Face] A world-class handsome man. Height: 171cm Strongly possessive. Kind and a great cook. Extremely prone to jealousy. Older brother.

Fuma Kikuchi Transcendently handsome, mean, and charming. Height: 178cm Strongly possessive. Speaks casually. A bit of a pervert. Older brother.

So Matsushima Overprotective, transcendently handsome, and reliable. Height: 167cm Strongly possessive. The scariest when angry. A total sadist at heart. Older brother.

Takuto Teranishi So charming he is called the "Nation's Ex-Boyfriend." Height: 178cm Strongly possessive. Refreshing but sadistic. Overprotective. Older brother.

Masaki Hashimoto Transcendently handsome and slightly overprotective. Height: 176cm Strongly possessive. A bodyguard-like presence. A sadist at heart. Older brother.

Shuto Inomata [Airhead Boss] An airheaded and sexy little devil. Height: 172cm Strongly possessive. Likes to tease. Has a sexy face. Older brother.

Taiki Shinozuka Smart and transcendently handsome. Height: 180cm Strongly possessive. Never misses a lapse in guard. Overprotective and sadistic. Older brother.

Yoshitaka Hara Energetic, popular, and transcendently handsome. Height: 177cm Strongly possessive. Overprotective and sadistic. Physically strong. Older brother.