MTL - Illimitable Until Death - ~ 223 Karuizawa's abnormality?

Reincarnating into the world of Jujutsu Kaisen, he became Gojo Satoshi, the twin brother of the strongest sorcerer, Gojo Satoru. That should mean he’s destined to be the most powerful Jujutsu sorcerer, right?Unfortunately, fate had other plans. Nearly killed by Satoru in the womb, his cursed energy was devoured before he was even born. But at that moment, he awakened the [Shinigami Fusion System].Since he couldn’t become a Jujutsu sorcerer, he would forge a new path, a Shinigami with Heavenly Restriction!Thus, Gojo Satoshi, born without cursed energy yet possessing the legendary Six Eyes, became the true nemesis of Jujutsu sorcerers.

The end of all worlds approaches.

The Demon King Order harvests lives from all manners of living beings.

Within this darkness full of despair,
A single person escaped from space-time, returned to before the world collapsed, determined to change the fate of the past.

But as time pass, he gradually finds out that the Apocalypse isn’t quite as simple as he thinks…

- Description from novelupdates

He is one of the most feared Mafia Don, built on blood, vengeance and silence. She is someone from a world he never planned to enter, or so he thought.Nero has a simple plan. Never fall in love. Never show weakness. And avenge his mother's death.He has been living according to his plans until he met her, Zoe Dean. A girl that shouldn't matter to him, but eventually she did.And now, with enemies closing in, and his past catching up. He must choose: Forgiveness or VengeanceLove or LegacyRise or FallKill or Be Killed.BOOK TROPESDark romanceTouch her and you dieBeauty and the beast vibesLove at first sightHe falls first but denies itPast traumaFeared DonForced ProximityLove Redeems the AntiheroRival Gangs.WARNINGThis book contains themes suited for mature readers only, including:Violence and organized crimeGun and knife use, murder, bloodKidnapping / captivity dynamicsProfanity and dark mafia languagePower imbalances (emotional and physical)Mentions of past traumaExplicit romantic/sexual contentThemes of obsession, vengeance, and betrayalNOTE: Although this is a dark mafia romance, the relationship between Nero and Zoe develops consensually. The story contains intense themes but ultimately centers on healing, redemption, and love.

A man reincarnates in the body of a boy who suffered a tragedy, only to realize that he is in the world of My Hero Academia. What's even stranger is that his quirk seems to have the abilities of Nen and Haki.