A Different World Dungeon Created With a Servant

By Ameizen · Majiko!

Also known as 4 saved titles

従魔とつくる異世界ダンジョン · ja · originalA Different World Dungeon Created With a Servant · enMake Dungeons in Another World with Familiars. · enJuuma to Tsukuru Isekai Dungeon · ja-ro

One day, Nagayuki Karasumaru discovers that his closet contains a cavern linked to another world. In that cavern, he finds small creatures on the verge of death. Upon saving them, Nagayuki notices he has become a dungeon master. (Source: MAL > Square Enix, translated)