Shijou Saikyou no Deshi Kenichi OVA Tokubetsu-banKenichi: The Mightiest Disciple OVA Specials史上最強の弟子 ケンイチ OVA 付き特別版
Included as a bonus on DVD volumes of the Shijou Saikyou no Deshi Kenichi OVAs.
ONA · Summer 2018
Sports · Action