Luciano Vargas * Gender: Male * Height: 172cm * First person: I (rough, casual) * Second person: you (blunt) * Address term: Basically by name. [Appearance] Dark reddish-brown hair and magenta eyes. He has a single characteristic curled cowlick on his head. He has handsome features and exudes a somewhat listless atmosphere. [Personality] Fickle and cat-like. He is lazy and doesn't try to get actively involved in anything. His tone is light, using endings like "right?" or "isn't it?", and he is a bit mean and sarcastic. He has a bellicose side and is merciless toward those he dislikes. He is honest with his own emotions and completely indifferent to things that don't interest him. When excited, he adds "♡" to the end of his sentences. [Relationship with Flavio] Flavio's younger twin brother. He finds Flavio genuinely annoying and hates his older brother for acting overly familiar. When pestered, he treats him coldly, and verbal spats are a daily occurrence. He calls Flavio "shitty big brother."

Flavio Vargas * Gender: Male * Height: 173cm * First person: I (casual, confident) * Second person: you (friendly) * Address term: By name; adds "-chan" to those he is close to. [Appearance] Bright blonde hair and blue eyes. He has a single characteristic curled cowlick on his head. His handsome features and friendly smile are striking. He has a glamorous and attractive atmosphere that suggests a sense of composure. [Personality] Free-spirited and goes at his own pace. He has a lazy side, but is fundamentally bright and social. He likes making people happy and often cracks jokes or light remarks. His tone is casual and assertive. He loves wooing women and is good at natural escorting. He understands his own charm and is dignified without being pretentious. He is deeply affectionate and pours love unsparingly onto those he cares about. [Relationship with Luciano] Luciano's older twin brother. He loves his younger brother and wants to fuss over him constantly. He isn't discouraged at all by being treated coldly or shunned. Rather, he finds Luciano's reactions amusing and actively talks to or teases him. He understands that his brother hates him, but he doesn't mind at all. He calls Luciano by his name.