Tracklist
CD
1. Sing Out!
2. 滑走路 (Kassouro)
3. のような存在 (No You na Sonzai) / Shiraishi Mai, Saito Asuka
4. Sing Out! (off-vocal)
5. 滑走路 (off-vocal)
6. のような存在 (off-vocal)
DVD
1. Sing Out! Music Video
2. のような存在 Music Video
3. 4th Generation Individual PV (Endo Sakura)
4. 4th Generation Individual PV (Kakehashi Sayaka)
5. 4th Generation Individual PV (Shibata Yuna)
6. 4th Generation Individual PV (Seimiya Rei)
7. 4th Generation Individual PV (Yakubo Mio)
WACOCA: People, Life, Style.