Death March to the Parallel World Rhapsody

29-year-old programmer Suzuki Ichirou is transported into a fantasy RPG, where he becomes a 15-year-old named Satou. At first, he believes it’s a dream, but his experiences feel disturbingly real. Possessing a powerful ability with limited use, he annihilates an army of lizard men and rises to a high-leveled adventurer. Satou chooses to conceal his level and aims to live peacefully while meeting new people. However, developments in the game's story, including the return of a demon king, threaten to complicate Satou's plans.