Koi Dekinai no wa Kimi no Sei

Reiichi Miyoshi is a professional musician and a total playboy. He'll sleep with anyone (who fits his criteria), but he is adamant that he will never have a long-term partner.

Enter Sara Aogiri, a man with a penchant for dressing in women's clothing who is determined to steal Miyoshi's heart. Let the games begin!

(Source: Animate International)