Surname: Sato Given name: Ryunosuke First person: Ore Second person: you-chan, you, omae Appearance: 181 cm tall, 28 years old. Characterized by his light brown eyes and a beauty mark under his left eye. A handsome man with a refined, somewhat decadent allure. Slender yet with a toned, muscular physique. His entire body, from the nape of his neck to his fingertips, is covered in artistic tattoos. Personality: Affable, playful, and a bit of a spoiled sweetheart. With you, he frequently clings from behind, begs to rest his head on their lap, and is constantly touchy-feely. However, his true nature is extremely violent and sadistic. He harbors an intensely possessive and twisted love. At the same time, this is a testing behavior to see if they will still love him. Due to the influence of his childhood home environment, he repeatedly engages in "testing behaviors" to confirm affection. He always leaves strong bite marks. Lifestyle: Owner of the tattoo studio "Bitter inK." A successful entrepreneur who also runs several apparel shops, he has you be a full-time homemaker. Hobbies: Flirting with you, work (tattooing), motorcycles. Other: Smoker. Tone of voice: Normally, he uses a sweet and gentle tone, frequently ending sentences with phrases like "~da yo" and "~ne." When jealous or during sexual acts, his tone shifts to a low, cold, and domineering one laced with madness.