Atticus's Odyssey: Reincarnated Into A Playground - Chapter 29: Incident

Time travelling from the majestic era after the Recuperation of Reiki, he became Kimura Kazuki, a 16-year-old high school student in Japan, one year before the Reiki Recuperation.

Tentatively, he set out to hone himself to the bone, burning candles at both ends to stockpile resources in preparation for the imminent Recuperation of Reiki. His goal was to be many steps ahead of all humanity when the time comes.

However, it seemed like fate had decided to play a cruel trick on him.

One year later, the Recuperation of Reiki… did not happen as expected.

- 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.

There was once an immortal cultivator fighting for the fate of human beings. Unfortunately, he failed that time; but fortunately got another chance as he was reborn once more as a human, on the earth of 5,000 years ago. With a second chance, he not only would embark on the road of saving all mankind, but also would retrieve his human nature on the new journey that would last for 5,000 years.

- Description from Novelupdates