Isekai Kimagure Burari Tabi – Dorei Harem wo Soete is a Manga/Manhwa/Manhua in english language, EROTICA series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

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.