He's My Fiancée ! : I Went Back To The Past and You ! - Chapter 380 - 381: She’s Not Here-III

Nagasawa crossed to Naruto Universe and was bound to Konohagakure.

If Konoha is severely damaged and destroyed, Nagasawa’s lifespan will be reduced.

He panicked at the thought of the upcoming Nine-Tailed Demon Fox’s attack , and the thought of Konoha getting destroyed left him in despair.

Fortunately, while bound to Konoha, he can obtain templates of powerful characters.

At the beginning, He got the Whitebeard template! Since it’s the Whitebeard from the Summit War of Marineford, he can use Tremor-Tremor Fruit’s ability and Haki.

Facing the Tailed Beast Ball, which terrorized Konoha Shinobi, Nagasawa leaped and shattered the Tailed Beast Ball with one punch!

- Description from Novelupdates

The Fears of a Billionaire: SynopsisDominic Hayes, a self made billionaire and CEO of one of the world’s most powerful tech conglomerates, lives a life most could only dream of. From his towering penthouse in New York City, he commands vast empires of wealth and influence, controlling everything from global markets to cutting edge technologies. To the outside world, he is the embodiment of success a man who has it all.But beneath the surface, Dominic's carefully constructed world is starting to crack. When he receives a cryptic message .“I know what you did”—he is thrust into a psychological game that threatens to unravel everything he has built. The message brings back memories of Andrew Cole, a former rival whose tech startup Dominic crushed in his ruthless climb to the top. Andrew disappeared after his company was destroyed, but now, it seems, he has returned.As Dominic digs deeper into his past, he begins to uncover the possibility that Andrew Cole isn’t the only one who has a score to settle. Mysterious forces seem to be working against him, targeting not just his empire but his sanity. His corporate deals start to collapse, his closest confidants turn against him, and strange occurrences lead him to question who he can trust even his wife, Alyssa, and his most loyal employees.The deeper Dominic falls into this web of paranoia and fear, the more he realizes that the threats against him are not just external. The guilt from his past actions begins to eat away at his mind, slowly eroding the steely confidence that once defined him. The higher he climbed, the further he has to fall, and now, as his enemies close in.

Lu Xiao had followed his master for eighteen years, excelling in both medicine and martial arts.After five years of military service, he returned to the city to search for his origins.Faced with flashes of knives and shadows of swords, he was decisive in killing, dominating everyone.When it came to the matters of the heart, he said, “Still… the Young Miss is the best.”

The main character is reborn as a character from a game he played in his previous life. This character falls into ruin along with the villainess, spending the last of their years together. A man named Kururi Helan.