Naruto: I Am Not Really Related - Chapter 273: Seeing Off!

Just like how everyone adored heroes in their childhood, a certain young man adored those powers hidden in shadows. After hiding his strength and living the mediocre life of a mob character by day while undergoing frenzied training by night, he finally reincarnates into a different world and gains ultimate power. The young man who is only playing at being a power in the shadows, his misunderstanding subordinates, and a giant organization in the shadows that gets trampled…. This is the story of a young boy who had adored powers in shadows possibly eventually reigning over the world of shadows in another world.

He died on the wedding of the girl he had a crush on, after a long and successful career. After convincing Yama to send him back to the world, he decides to fix the areas in which his life went wrong. Realizing the lack of love and romance in his past life, he sets out to conquer the hearts of various women.

- Description from Novelupdates

Daniella was ready to pull the trigger when she felt a warm hand touches her hand.

Li Jizhou traversed to another world, fought with all his might, always battered and bruised, and ultimately failed to charge the Golden Core with a Lower-grade Spirit Root, resulting in his death and soul's dissipation.It wasn't until his second life that he realized the reason he could travel to this world was due to the Reincarnation Treasure Mirror he had fortuitously obtained, which could not only reincarnate his soul but also enhance his Spirit Root based on the performance of his last life.“If I can achieve Core Formation, I can gain nearly five hundred years of lifespan. In the next life, I can add five hundred points to this life's Spirit Root base, making top-grade talent possible in the future... again and again, as long as I can reincarnate for three more lives, opening with a Celestial Soul Body Spirit Root, it's at my fingertips.”