His Rui - Chapter 624 Mi Luan Asks Master Wong To Leave

When fifteen-year-old Ren Ryūhara's brother falls into a coma after a brutal knife attack, Ren transfers into Sakura High as a first year student to uncover the truth.There, he discovers that his older brother founded the school's most notorious gang!. Ren is this levethrust into a world of territory wars, honor codes, and brutal street fights.The charismatic but enigmatic Fujimoto Hasegawa now leads Sakuratei, and he reveals that Crimson Dragons are responsible for Kaito's condition. War is brewing, and Ren must choose either he walks away from his brother's legacy, or dives into the violence that destroyed Kaito's life.But Ren is hiding a terrifying secret. He is experiencing visions.. terrible visions, flashes of violence, blood, and a future that hasn't happened yet. With his new deadly ability to leap through time he could save or destroy everything.What would you sacrifice to save someone you love? And what if saving them meant losing yourself?

A boy from 21st century Earth, met an accident and later was reborn in Naruto’s Ninja World.
He is born in Uchiha Family and becomes the useless brother of Itachi Uchiha and Sasuke Uchiha…. Let’s see how he changed the Naruto world.

- Description from Novelupdates

Mochizuki Touya, a 15-year-old boy, who got zapped by a flash of lightning due to a freak accident caused by God, wakes up and finds himself face-to-face with God.

Ren has never known kindness. He grew up alone in the slums, learning to survive by staying out of sight and trusting no one. One night, he stumbles into a strange tunnel and finds a hidden shrine forgotten by time.There, he sees a black cat with golden eyes and hears a voice inside his head.The shrine is more than it seems. So is the cat.As Ren is pulled into something ancient and mysterious, he must decide if he's willing to take a different step in life or keep running from the world that hurt him.Because the city doesn't care if he lives or dies, but something in the dark might.(No system, no isekai, no reincarnation, no regression, no harem. The story focuses on mystery and character development.)