(konishi/tsutumi kyouhei) Koi ha geemu Sou yo baby Itsumo ruuru ga kawaru no Koi no gooru Sou yo baby Anata ni aitai Koi wo shite Kisu wo shite Kyou
Bản dịch: Pizzicato Five. La Regle Du Jeu (Koi No Ruuru, Atarashii Ruuru).
