Music, lyrics: Hitoshizuku and Yama Vocals: Hirose Daisuke (as Tsukasa), Kino Hina (as Emu), Saitou Machiko or Machico (as Nene), Toki Shunichi (as Rui) and Yu Asakawa (as the original voice of Luka)
All credits go to Yu-kun! All I did was add eng sub
