How come the celestial technique I stole is so powerful?! - Chapter 72 Death Threat

Known as the country’s top onmyoji, Yuuma Kisaragi, who lived to the age of 99, awoke to find himself in an unfamiliar forest. A voice echoed in his mind, revealing that he had been reincarnated into another world at the age of 20.“Good morning, Master. Skip the greetings and please defeat the goblin in front of you.”The voice belonged to a skill acquired during reincarnation called “AI,” designed to assist Yuuma in his new life. When the skill, AI, took over the form of a golden-haired fox yokai, the familiar shape of Yuuma’s shikigami, he decided to embark on a new life alongside AI-chan.The onmyoji and AI-chan’s second life began, tackling various challenges and formidable enemies with the strongest spells and shikigami.

I returned to Earth as the invincible Knight King. But the Gods came with me.

Yin Shen’s name is God.

He never thought that one day he would really become a god.

- Description from novelbuddy

Fujii Itsuki unexpectedly found himself in Konoha on the night of the Kyuubi rampage.Although it was a dangerous situation Itsuki still survived.His Isekai life was as dull as it gets, he didn't have any talent for being a shinobi nor did he have a system.Itsuki was prepared to live his life as a lazy bum but unexpectedly he received a summons from the Third, only to find out a piece of shocking news.“ Itsuki I have arranged a marriage for you, the other party is Uzumaki Kushina, I hope you will agree to this marriage ”Facing the request of the Hokage, Itsuki could only reluctantly agree while apologising to Minato who died a few days ago.It's not like he wanted to steal his wife but he was threatened into it.'Sorry Minato, But don't worry I will raise Naruko like she is my own child and take care of Kushina well, and never let her feel any loneliness'Itsuki's seemingly ordinary life was turned upside down due to a single event.