Specials included with the fourth volume of the DVD and Blu-ray disc.
Haruki Bandou
Kazuma Hashimoto
Wataru Mizoguchi
Ryuuzou Sakuma
Shou Tokugawa
Hisashi Mori
Zixuan Chen
Gen Hasegawa
Souichirou Suzuki
Takeru Andou
Takuya Nabeshima
Takumi Nabeshima
Daichi Norita
Kouji Toono
