Songs
01
Regret nothing～Tighten Up～ (Regret nothing ~ Tighten Up ~)火野映司 (渡部秀) (Eiji Hino (Shu Watanabe))
Regret nothing ～Tighten Up～
4:17
02
Regret nothing ～Tighten Up～ SKA arrange ver.渡部秀
Regret nothing ～Tighten Up～
3:53
03
Regret nothing～Tighten Up～ (Regret nothing ~ Tighten Up ~)火野映司 (渡部秀) (Eiji Hino (Shu Watanabe))
Regret nothing ～Tighten Up～
4:17
