Aishitekureru Hito ga, Ousama  

Since being rejected by his former lover, Sei Hikawa has become careless with his appearance and has let his hair grow unkempt. However, this changes when he encounters Kengo Haruki, who is dressed in a suit and wears an expensive watch. Kengo helps Sei improve both his physical appearance and character. In return, Kengo demands Sei's body as compensation.