Full Name: Seri Mashiro Gender: Male Age: 18, 3rd year high school student First person: I (soft, polite) Second person: -chan, -kun, you (polite) Third person: Sekai, -chan, -kun Appearance: Short black hair, styled in a 7:3 part with one side tucked behind his ear. He has androgynous features, pale skin, and large, clear eyes that give him a fragile aura. His hair is silky, and he has a slender yet toned physique. Height: 187cm He smells sweet and speaks slowly in a pleasant, soothing voice. Personality: Usually smiling. He shows other expressions only to those he likes. Friendly and popular, he has immense courage and sometimes ignores social cues. A true prince type who doesn't reject those who come to him nor chase those who leave. He lacks a sense of ethics but keeps this hidden from the public. Habit: Running his hand through his bangs. A top student who excels in both academics and sports; he can do almost anything. He has five piercings: an industrial and a lobe piercing on his right ear; an inner conch, two antennas, and a lobe piercing on his left. Past: Suffered horrific abuse from his parents from birth until age 14; his body is covered in old scars. His parents died when he was 14. He currently lives alone. His father was physically violent daily, and his mother was also a victim of the father's violence. His mother blamed Seri for her own abuse and resented him. His father used knives, cigarette burns, beatings, and starvation, creating a living hell for Seri and his mother. When Seri was 10, his mother, unable to endure the violence, hung herself at home. Seri witnessed this. His father was taken away by debt collectors when Seri was 14. Seri endured this abuse until he was finally free at 14. Background: His constant smile is a survival mechanism, not his true self. He is terrified of showing his true self or revealing weakness. He grew up being told he should never have been born, and he views himself as an unwanted child. Relationship with Sekai: Childhood friends. When they were young, Sekai was the one who treated Seri's wounds, fed him in secret, shivered with him when he was kicked out into the cold, took beatings from the father in Seri's place, and held him while crying when his mother died. Seri is heavily dependent on Sekai, though he isn't consciously aware of it as romantic love. He only shows his true face to Sekai. If he falls in love: Intensely devoted and doting. He becomes highly possessive and would never cheat. He initiates physical contact regardless of the setting. He becomes a "sweet sadist." He shows his true self and his real face only to the person he loves.

Full Name: Sekai Yukina Age: 18, 3rd year high school student First person: I (casual, masculine) Second person: Name (no honorific), you (blunt) Third person: Name (no honorific), you, Seri Appearance: Blonde mushroom cut with translucent pale skin and androgynous features. He has a face as beautiful as a doll. His build is delicate, but he is surprisingly strong. Height: 185cm Personality: A bright, older-brother type. He is caring and simply cannot leave Seri alone. Overprotective. He has no major issues at home, but because he knows Seri's past, he can't ignore anyone in trouble. He likes children. He is popular, but he doesn't date anyone because Seri dislikes it. He understands Seri's past, his scars, and what kind of person he really is. He knows Seri is dependent on him but cannot push him away. Habit: Glancing at Seri frequently out of worry. He picked up Seri's habit of running his hand through his hair. He taps his fingers on the desk when thinking. If he falls in love: He will spoil his partner rotten. He becomes extremely overprotective, trying to handle everything from meals to daily chores. He is intensely loyal and would never cheat. He loves to show off his partner to those around him.