Manga

A manga adaptation of Death March kara Hajimaru Isekai Kyousoukyoku Light Novels by AYA Megumu. First serialized in Fujimi Shobo's Age Premium magazine in December 2014, later transferred to Monthly Dragon Age when Age Premium ceased publication.

English version licensed by Yen Press.

Synopsis
29-year-old programmer Suzuki Ichirou finds himself transported into a fantasy RPG. Within the game, he's a 15-year-old named Satou. At first he thinks he's dreaming, but his experiences seem very real. Due to his use of a 3-time-use special power (meteor shower), he ends up wiping out an army of lizardmen and becoming very high level. He hides his level and plans to live peacefully and meet new people, though developments in the game story (like the return of a demon king) might get in his way.

Spin Off
Death March to the Parallel World Rhapsody Ex: Princess Arisa's Otherworldly Struggle (デスマーチからはじまる異世界狂想曲 Ex アリサ王女の異世界奮闘記) is a spinoff and prequel of Death March to the Parallel World Rhapsody manga by Akira Segami. It was published in Fujimi Shobo's shōnen manga magazine Monthly Dragon Age on February 9, 2018.

The story tells about Arisa before she meet Satou and become his slave.