Subaru loves to play Minecraft all day as it was his favorite game as one day he comes across a strange nether portal that was already built and lit up instead of the portal transporting him to the nether in the game as he would expect, Instead, he himself was transported to Lugnica as a Minecraft Avatar.

After Regulus and Lye's fight with Rem and Crusch. The two have come across a strange green ovaloid in the middle of the road, Regulus goes in to inspect the portal and he gets suddenly sucked in by the ovaloid transporting him to an unknown location where he is no longer in Lugnica and he encounters a pink-haired girl who has happened to summon him.

This story is about a young yakuza gangster Katsutoshi Hiroto who is killed after a deal incident expecting that he would be going to hell for all the terrible crimes he has committed during his time as a Yakuza but it's not the case for him instead he finds himself in a strange new world and his quest to reinvent his life and become a better person in the new world.