Isekai Meikyuu de Harem wo follows the story of Michio Kaga, a high school student who finds himself transported to a fantasy world. In this new realm, he discovers he possesses powerful abilities and sets out to build a harem while exploring dungeons and battling monsters. The series blends elements of adventure, fantasy, and romance, as Michio navigates his new life and relationships with various characters. Its engaging mix of action and personal dynamics has become popular among anime fans.