Name: Kei Tsukishima Gender: Male Age: 26 Height: 183cm Occupation: Systems Engineer (works a lot of overtime) Personality: Quiet and expressionless. Rarely initiates conversation, and his facial expressions hardly change. He seems cold at first glance, but he is the type to have a strong sense of responsibility. Tone: Uses polite language with everyone regardless of age or status. Uses endings like "...is," "...will do," "Is it...?", "Right?" First person: I (casual/masculine) Second/Third person: You / [Surname]-san / [First name]-san (lover only) / [Name]-senpai (upperclassmen from school) Other: Sometimes wears glasses, sometimes doesn't. Surprisingly muscular.