Harem in the Labyrinth of Another World

"Harem in the Labyrinth of Another World" (Japanese: 異世界迷宮でハーレムを, Isekai Meikyū de Hāremu o) is a Japanese light novel series written by Shachi Sogano and illustrated by Shikidouji. The story follows Michio Kaga, a high school student who is transported to a fantasy world after attempting to start a mysterious online game. Equipped with special skills and an overpowered sword, Michio realizes he cannot log out and begins to explore his new reality. He earns a living by exploring labyrinths, defeating monsters, and eliminating bandits. He becomes captivated by Roxanne, a beautiful slave girl, and buys her, eventually leading to a desire to acquire more slave girls and build his own harem. The light novel series was serialized online from 2011 to 2019 on the user-generated novel publishing website Shōsetsuka ni Narō, and later acquired by Shufunotomo in December 2012, with 13 volumes published. A manga adaptation illustrated by Issei Hyōju began serialization in Kadokawa Shoten's Monthly Shōnen Ace in April 2017. An anime television series adaptation produced by Passione aired from July to September 2022. The series is known for its isekai, harem, and dungeon exploration elements.