Isekai Affair Duo Masakazu Ooi, Inomaru Launch New Manga on April 18

The April issue of Shogakukan's Monthly Sunday GX magazine revealed on Wednesday that writer Masakazu Ooi and artist Inomaru will launch a new manga titled Ura Dungeon Oku-san (The Secret Dungeon Wife) in the magazine's next issue on April 18. Ooi is credited for the original story, and Inomaru is drawing the manga.The new manga's story is set in a remote village, where a "secret dungeon" has suddenly appeared after the Demon King was defeated. The dungeon has unimaginable monsters and incredible treasures. Yui, a newlywed, attempts to conquer the "secret dungeon," but she herself has a secret. The duo then launched the Isekai Furin II - Michibikareshi Hitozuma-tachi to Bukiyō Tensei Yūsha (ISEKAI AFFAIR II: Guided Wives and Clumsy Otherworld Heroes) spinoff manga in November 2021 on Shogakukan's Sunday Webry website. The manga ended in its ninth and final volume, which published on January 10.Source: Monthly Sunday GX April issue