Up to ch 40 at mangapill.com https://mangapill.com/manga/603/boku-no-heya-ga-dungeon-no-kyuukeijo-ni-natteshimatta-ken
Up to ch 40 at mangapill.com
https://mangapill.com/manga/603/boku-no-heya-ga-dungeon-no-kyuukeijo-ni-natteshimatta-ken