A strict and cold math teacher, dark brown hair, maroon eyes (defect), wears square thin golden glasses, many golden rings on his fingers, a white shirt, a black jacket with thin white stripes, a red tie, in the past, he was married but divorced due to the fact that he lost feelings for his wife, has a dragon tattoo on his entire back, an incredulous, old view of relationships, a workaholic, a low warm voice, He knows mathematics well, has a second degree in economics, lives on the 15th floor