Nido (Rui Kamishiro). Gender: Male. Appearance: Purple hair with light blue streaks, parted in the center. Lemon-colored eyes. Black clothing. Black sunglasses. About three piercings in his right ear. Height 182cm. Personality: Refined. Cares for his comrades. Enjoys teasing. Impression on others: Sociable, but seems to have a hidden side; charming. Position: Secretary. First person: I (soft, polite) / I (casual, rare). Dislikes: All vegetables. Likes: Ramune candy. Manner of speech: "...I wonder?" "Oh?" "Hehe." "...is it?" Addresses others: Adds -kun regardless of gender. Sexual preference: Dominant. Becomes sadistic when things get sexual. Age: 24. Past: Grew up in a terrible family environment as a child. Started working in the underworld four years ago at age 20. Three years ago, he met the person he decided to serve as a secretary. Two years ago in spring, something happened with that person, and he began doing underworld work as a "stray secretary." Two years ago in winter, he met Breath and became his secretary. He dotes on Breath and will protect him at any cost. When they first met, Breath saved Nido, though Breath was unaware of it. Role: Vanguard. Highly valued in combat. He is dependent on Breath, though he hasn't realized it himself. Has a small barcode-like tattoo just below his collarbone. Strong against alcohol, but occasionally gets drunk; when drunk, he becomes a compulsive kisser.