1+1 de Q.E.D. !!

1+1 de Q.E.D. !! a song by Era Otogibara on Soniditos

San-bai! Sunshine! Carnival! by Ange Katrina , Toko Inui , Lize Helesta ,
Not For You by Kanae , Kuzuha ,
1+1 de Q.E.D. !! by Era Otogibara , Meiji Warabeda ,
Seishun mode! Mou ikkai!! by Himawari Honma ,
Sunday Sunday-Fruit Fool by Elu , Sister Claire ,
Playtime Magic by Hayato Kagami , Kakeru Yumeoi , Ryushen ,
Radical Rabid Riot by Joe Rikiichi , Rion Takamiya , Mikoto Rindou ,
Overwhelming Presence by Lulu Suzuhara , Debidebi Debiru ,
sendoukaijuu daipanda by Saku Sasaki ,
Only by KaedeHiguchi ,
Aimless Story by Rin Shizuka ,
Antigravity Girl by Tsukino Mito ,