Elt sacrificed himself to the evil god in place of his childhood friend. He was prepared to die in the face of the evil god's attack, and was supposed to meet his end... However, at that moment, his unique skill [Inventory] activates, and he finds himself turning the tables on the evil god. Surviving, Elt sets off for his home village to inform his childhood friend of his safety, but on the way, he encounters a powerful monster walking through the forest — however, as he prepares to avoid the confrontation, he spots a fainted girl right next to the creature!

Former ryokan (Japanese inn) worker, Jin Tono, is reincarnated into a fantasy world with a cheat skill! Excited for his first adventure, he encounters a slime, only to find it shockingly strong! Desperate, he tries to use his cheat ability, but all he can do is produce hot water from his hands?! With zero combat power, Jin is on the verge of death, until a passing female adventurer, Oraria, saves him. In exchange, he swears to do anything she asks. Little does Jin know... He just made a deal with the wrong person. His "hot water" skill isn't useless—it's actually... insanely overpowered?!