Hyunsung Kim

Kim Hyunsung is the sub-protagonist of "Regressor Instruction Manual." Described as "handsome enough to be a protagonist" by Lee Kiyoung, he has dark blue hair and eyes, sharp features, and a tall, muscular build. Initially cold and valuing people by their importance, he gradually forms friendships. (Source: Regressor Instruction Manual Wiki) No voice actors have been added to this character. Help improve our database by searching for a voice actor, and adding this character to their roles .