Duet Shiyou Yo

 is the first collaboration mini album released by MAY'S.

Tracklist

 * 1) Forever ~Kore ga Kiseki Nara~ (Forever ～これが奇跡なら～) with Yamazaru
 * 2) WHY×3 with May J.
 * 3) Koi ni Ochitara (恋におちたら) with Miyazaki Kaoru (Crystal Kay cover)
 * 4) Choo Choo TRAIN with SHIKATA (ZOO cover)
 * 5) Beauty and the Beast with KG (cover from Beauty and the Beast)
 * 6) Ashita ga Kuru Nara (明日がくるなら) with Kaizo Ryota (JUJU cover)