Tensei Kaku Gamer: Oji Demo Kateru Isekai Kouryaku

Kairu Mitsushima, a middle-aged fighting game player whose life changed after meeting the “living legend” of the fighting game world, Daigo Umehara, suddenly finds himself reincarnated in another world after a traffic accident… A brutal world, where battles are fought using the knowledge and techniques of fighting games, awaits him…!?