Kangoku Danshi (監獄男子)
Tsumibukaki ore-tachi no sanka
Release date: August 05, 2015
01 Tsumibukaki ore-tachi no sanka
02 Tsumibukaki ore-tachi no sanka (TV Size)
03 Tsumibukaki ore-tachi no sanka (instrumental)
Ai no Prison
Release date: August 05, 2015
03 Ai no Prison (instrumental)
Kangoku Danshi = Kamiya Hiroshi, Konishi Katsuyuki, Suzumura Kenichi, Namikawa Daisuke, Okitsu Kazuyuki