Hokuto no Ken Gaiden: Taisen Amiba no Isekai Haou Densetsu - Isekai ni Itte mo Ore wa Tensai da! N? Machigatta ka...

The unprecedented "Fist of the North Star" spin-off!! "Fist of the North Star" x "Another World", a forbidden combination of different kinds! Amiba is the main character! He was defeated by Kenshiro and died... but then he woke up in another world for some reason!? Genius fighter Amiba's great adventure in another world begins now!