Serizawa Yuu, Nanami Karin — O.C. ~Optimum Combination~ (Watashi no Oshi wa Akuyaku Reijou. ED)
Artist: Rae (Serizawa Yuu) & Claire (Nanami Karin)
Song title: O.C. ～Optimum Combination～
Anime «Watashi no Oshi wa Akuyaku Reijou.» ending theme
