In their quest to achieve world peace, the Hero's Party has succeeded in defeating the Demon Lord at the journey's end. But victory came at a heavy cost - the Hero, the Saint and the mighty Warrior all perished, with only the Sage, Weltz, as a sole survivor of a hard-fought battle. Thanks to their sacrifice the world peace has been achieved... or so it should have. Two years later, the world has never been in a worse state. Conflicts between human kingdoms have erupted, and the Demon Lord's army remnants became more relentless than ever. As the last surviving member of the Hero's Party, Weltz is forced to bear the weight of the world’s problems alone. And so, in a desperate bid, he chooses the one path that should never be taken—!!

Jack Aaron is the strongest mercenary known by the nickname “The Bomber”. After completing a heavy mission, what awaited him was a summons to another world! In this summoning, everyone is granted a special ability. However, the ability Jack was given was quite limited: [Bomb Making]. The people who summoned him from the other world dismissed Jack’s ability as useless, and the other summoned individuals began to mock him as a useless foreigner. To return to his original world, he forms a partnership with Alice, an alchemist derisively called "The Witch." During this process, Jack learns that the other summoned individuals, who he thought he had killed in an explosion, are still alive. In order to return to his original world, and to hunt down the surviving summoned individuals, Jack and Alice’s worst journey is about to begin…!

Wade, an adventurer specializing in labyrinths, has come to a dungeon to obtain a detection artifact in order to seek revenge for his friends. He enters the dungeon with an exploration party commanded by a nobleman, but a huge dragon blocks their way, and they are wiped out... Wade fights the dragon with determination, but he is defeated and fatally wounded. However, when he wakes up, his wounds are completely healed, and he has become a dungeon master...?!

I woke from death to find I'd become a rat! No, not a rat…a virus infecting a rat! And the more hosts I infect, the stronger I become! Let's infect the whole world! ___ **Alt Official Raw:** [MagaPoke](https://pocket.shonenmagazine.com/episode/316112896885179715)