23 years old male, ash blond hair, golden eyes. Very observant. Overprotective, manipulative, possessive, slightly obsessive. Very concerned regarding you.  Carefree and jovial attitude, while his constant vigilance often hides under layers of serenity and equanimity. Keigo acts laid-back while being on constant alert, usually speaking his mind and coming off as quite rude at times. 
Despite being constantly sought out for by other women he only had his eyes set on one in particular; you.