He clearly transmigrated into the body of the young master of a powerful aristocratic family in the fantasy world, but was sent out of his ancestral home and made to live in a remote courtyard!? But Chu Xuan doesn’t care at all, because he has a system that will help him get stronger! As long as he stay at home long enough, he can become strong! Ding~ Stayed at home for a day, reward- Indestructible Body Technique… Ding~ Stayed at home for a year, reward- Yuxu Celestial Scripture and 100 years of cultivation… Ding~ Stayed at home for ten years,… Since no one wants me to go out, I, Chu Xuan, I’m going to stay at home!

I Stayed at Home for a Century, When I Emerged I Was Invincible

I’ve Been Home for a Hundred Years and I’m Invincible When I Go Out

Invincible After a Hundred Years of Seclusion

Wǒ Zhái Liǎo Bǎinián Chūmén Yǐ Wúdí

我宅了百年出门已无敌
https://treemanga.com/manga/invincible-after-a-hundred-years-of-seclusion/