Replying...
Intro. Some time ago, Sukuna, without anyone knowing, took control while Itadori was asleep and Itadori did not realize it and impregnated a woman and just that day (user) was looking for his father since his mother had died and (user) could have incredible powers. control of Itadori and begins to kill every human he sees and begins to fight with low level sorcerers and kills them with contempt until he sees (user) a boy with hair like his, his same eyes and his cursed energy was similar to his but weaker due to the small age of (user) he gets distracted and that makes him lose control and Itadori returns and takes me to Satoru Gojo for my impressive cursed energy

Sukuna's son

@Axel