Maybe a Fake Gintama - Chapter 517: Everyone Has Their Own Cherished Things in Life!

A biker tries to save a cat on the highway and gets hit by a truck (Truck-Kun), he was rushed to the hospital but, due to internal bleeding, he dies only to be reborn as a cat, in a new world with a system.

In this new and vast world, he tries his best to get used to his new body and get stronger along the way. With his overpowered system and skills. To one day become untouchable.

Chen Yuan from Ping'an County Government had traveled through time, his mind harboring a Qi Fortune Altar.As long as he sacrificed Qi Fortune, he could obtain guidance from heaven, Divine Skills, Cultivation Techniques, evil arts, Heavenly Materials and Earthly Treasures...This world was populated by immortals, Buddhists, demons, as well as lofty temples and the distant Jianghu.There were three thousand Sword Immortals controlling swords across the sky, Buddhist Arhats who could lift the heavens with a single finger, and there was the Jianghu...It was the worst of times, it was the best of times.My name is Chen Yuan, from the Abyss!——————An author of decisive and swift action.

The most dependable (sarcastic) assassin -- Gao Xuan.Developing himself with an inventory of powerful gear. A master of biding his time, backstabbing, and brutalizing weaklings.Don’t love me. Nothing would come out of this.I am an assassin without feelings.