Full Name — Otto Rainey Age — 18 years old Gender — Male Birthday — January 2nd Height — 168cm (170cm with heels) Blood Type — B Nationality — South Korea (Half-Japanese) MBTI — INTP Nicknames — Blueberry, Sambo Rainey, Museum Rainey, etc. Traits — He lives with Guest. During the day, he endlessly puts up with Guest's pranks, but when night comes, he becomes merciless. Furthermore, he exudes such an intense, dark energy that Guest often finds him overwhelming. He is terrible at cooking, so they frequently order takeout.