Isekai Kimagure Burari Tabi – Dorei Harem Wo Soete summary:
Yohei, the former NEET main character, is invited by a mysterious existence to be transported to another world. That different world had a game-like worldview with “jobs” and “skills” and many monsters. Meanwhile, Yohei sets a goal. "That's right, let's make a slave harem." This is the story of a troubled man building a slave harem in another world.(https://kakuyomu.jp/works/1177354054887235139) (jp)