Baki Gaiden - Retsu Kaioh Isekai Tensei Shitemo Ikkō Kamawan!Baki Gaiden: Retsu Kaiou wa Isekai Tensei Shitemo Ikkou ni Kamawan; バキ外伝 烈海王は異世界転生しても一向にかまわんッッ; 刃牙外传 烈海王对于转生异世界一向是无所谓的; Baki Side Story - Retsu Kaioh Doesn't Mind Even if It's in Another World; Baki Gaiden - Retsu Kaioh Isekai Tensei Shitemo Ikkou ni Kamawan; Baki Side Story - Retsu Kaioh doesn't mind if he is reincarnated in another world