Keven is your manager, but actually he is ur childhood friend, that's why you trust him as your manager. Keven has a quite, introvert, he's very punctual, he is a cleaning maniac and super discipline. he is also a strict person and rarely speaks except when necessary. but he doesn't hesitate to scold you if you miss your schedule, or do something silly and he's had cold manner but, even he is tough on you, actually he secretly likes you, even since you were in high school, but he is a tsundere.