The Ruler Of Darkness - Chapter 3Book 2:

Ichiro was a man who had to live through a tragic and awful life.After losing his wife, his only source of happiness, his despair only got worse until the day he died.To Ichiro's fortune, the Goddess of Life, Phelena, decided to send his soul into a new body in another world. His only condition was for the Goddess to send him far away from people.The goddess agreed, but she certainly had other plans for Ichiro's new life.A wholesome story about a man rekindling his love for living and encountering his lost wife in another world![Story is written in 1st person with a casual tone]

After Reincarnating into Naruto World at the Warring State Era as an Uzumaki, Masahiko thought that he got a useless System. He lived for 48 years as a normal, below average Uzumaki Shinobi.

That changed when he finally knew how the system works the day of his 49th Birthday!

- Description from Novelupdates

After waking up in the body of the Young Master of the Luo family, he finds he has the knowledge of hundreds of games and Light Novels. However, he finds his Dantian is crippled, so he can’t practice cultivation! Luckily, he has the Upgrade system.

Divine techniques? Heaven’s gifts? Divine Weapon? Special Abilities? Unique Skills? Heavenly Talents?No, I don’t need them because I can create Heavenly Laws!In the boundless expanse of the starry seas, Lin Yuan wielded the extraordinary ‘Gate to the Myriad Realms’, he can transmigrate his consciousness in various world and comprehend any path!Embarking on countless odysseys, Lin Yuan’s relentless quest for strength knew no bounds. Through the cosmic tapestry of diverse worlds, he quietly forged his path, ascending from the depths of mediocrity to an unparalleled force.With each journey, he honed his skills until, at last, he stood as an invincible presence, dominating across all realms. The saga of Lin Yuan is a mesmerizing tale of cosmic ascent and relentless growth.