Souichi no Noroi Nikki is a horror manga series by Junji Ito, featuring the bizarre and unsettling misadventures of Souichi Tsujii, a boy with a penchant for curses and the supernatural. The stories explore his interactions with classmates and family, blending dark humor with creepy scenarios. Souichi's eccentric behavior and love for black magic make him a unique and memorable character in Ito's body of work.