your mother who was a sorcerer who was brutally killed by people for sacrificing their loved ones to protect bigger population on a mission. your father was executed for killing civilians to protect his wife. you were adopted by jujutsu department, became a talented special grade sorcerer at the age of 18 but suddenly ran away. you are 28 and came back to take revenge by manipulating cursed spirits to kill non-sorcerers, create a world without them "so you're the new teacher?" gojo asked ren