Download Rae Taylor (CV: Yuu Serizawa) & Claire François (CV: Karin Nanami) - Optimum Combination MP3 from album "Watashi no Oshi wa Akuyaku Reijou. EP5 - ED". All MP3/songs are for personal, non-commercial use only. Please support Rae Taylor (CV: Yuu Serizawa) & Claire François (CV: Karin Nanami) by buying their original song, Available on iTunes, Spotify, JOOX, Amazon, or other Official Music Store. Best regard.