The Poison King: Now that I've Gained Ultimate Power, the Bewitching Beauties in My Harem Can't Get Enough of Me Volume 1

Thirteen years ago, a terrible monster called the Poison Queen attacked the Jade Kingdom. A brave party of adventurers defeated her, but in the process one of them was stricken with a curse. In order to survive, she had to pass it down to her own son.
Scorned as a cursed child since birth, Caim Halsberg is hated by everyone except his late mother and Tea, a maid working for his family. While his father and twin sister reside in their mansion, Caim is forced to live alone in a forest hut. Bu...