【Included content】

1. しずかに
Lyrics: Hata Aki Composition: Ito Masumi Arrangement: Kikutani Tomoki Singer: Misaki Mei (CV: Takamori Nazumi)
2. iridescent
Lyricist: Yohei Matsui Composer: shilo Arranger: Kei Tanabe Second song: Tsuneichi Sakakihara (CV. Atsushi Abe)
3. Responsibility Response
Lyrics: Matsui Yohei Composition and arrangement: Adoriano Spinesi Akasawa Izumi (CV: Yonezawa Madoka)
4. Treasures of Youth!
Lyricist: Yohei Matsui Composer/Arranger: Toshika Tanijima: Naoya Kawara (CV. Tomoaki Maeno)
5. HOP STEP HOT!
Lyricist: Matsui Yohei Composer/Arranger: Miura Seiji Song: Sakuragi Yukari (CV. Nonaka Aoi)
6. What is the name of the world?
Lyrics: Matsui Yohei Composition and arrangement: Fukutomi Masa Song: Mochizuki Yuya (CV: Yamamoto Kazuomi)

[DVD]
ショートアニメーション PV "しずかに" Song: Mizaki Ming (CV. Takamori Natsumi)