I Opened A Harem in Hell is a Manga/Manhwa/Manhua in (English/Raw) language, Manhua series, english chapters have been translated and you can read them here. You are reading I Opened A Harem in Hell chapters on ManhwaZ, fastest updating comic site. The Summary is
Zhang Xiao entered a game called “King of Hell”, but after his death, he came back to life in another body. From then on, he counterattacked and reached the peak of his life. Can he overturn the conspiracy of the whole hell on his own and conquer all the girls here!