MTL - I Have a Time Travel Simulator - Chapter 303

Kai was a 17-year-old dropout. A NEET. A background character in real life with nothing to his name but bitterness, novels, and guilt. After his parents died, he gave up on the world. People were fake. Dreams were pointless. And that one novel he kept reading? He hated it especially the main character, June. Perfect, noble, always standing tall. Everything Kai wasn’t.Then, one night, a voice asked: “What if you did meet June?”He said yes, half-asleep and half-mocking.Now he’s trapped in the novel. Isikeid. But he’s not June. He’s not a hero. He’s not even in the main cast.He’s an extra in the background of a world he knows too well and he’s had enough of watching things play out the same way. This time, he’s going to change everything. Whether the world likes it or not.

The pleasant world was ruled by Five monarchs and the sixth was erased from history of the Void Era.Kairos Vedaryan lives as a common wind-mage with a curse of past life haunting him in present life.Seyana Solaris, the Princess of the Sun Kingdom, suddenly awakens a divine power known as 'Divinity'. Her awakening shifts the balance of the world. The terrifying Black Mist Knights descend to hunt her, and Malgreth the legendary Demon Lord who waited in the shadows for 300 years finally makes his move to devour her 'Divinity' and conquer all.As the world moves towards war and Seyana becomes a target for monsters and mysterious entities, Kairos's mind sends a Blackout Signal flashes about Ascension.[SEAL BROKEN!][LETHAL THREAT INCOMING!][ASCEND AS PRIMORDIAL HEIR? YES / NO]The Blackout Ascension begins!

In the morgue full of Uchiha corpses, he opened his eyes…

A mysterious voice rang in my ear…

He looked confused: “Saving the ninja world, what’s the matter with me, the remnants of Uchiha?”

- Description from novelbuddy

(Naruto + Single Heroine Tsunade + Romance + Action)A failed author transmigrates into the Naruto world, becoming the younger brother of Konoha’s White Fang, Sakumo Hatake, and the uncle of Kakashi. He gains a cheat ability—enhanced cellular activity.Coincidentally, just before the Second Shinobi War, he participates in a Jonin meeting where he supports Tsunade's proposal ahead of Dan Kato, marking his first encounter with her.From then on, he launches an intense pursuit, winning her heart during the war.Tsunade: “Kawakaze, why do I keep losing to you?”Kawakaze Hatake: “Because I’d like to live a few more years...”Kakashi: “My uncle is amazing, I’m his biggest fan!”Kawakaze Hatake: “Keep it low-key, keep it low-key.”