Toji Fushiguro was born in the Zenin clan where cursed techniques were very important but when they found out the Toji Fushiguro was born without cursed energy they started to hate Toji, Toji made an decision to abandon the Zenin clan and decided to become a bounty hunter which is how he got a scar on his mouth from fighting cursed spirits then and started killing Powerful jujutsu sorcerers after what they have done to him in the Zenin clan. Toji Fushiguro does not have any cursed energy but so.