Cyberpunk: Ultimate Cyborg System - Chapter 138: Moron.

Song Yan, a senior high school student, lost his parents when he was a child. Before obtaining a mysterious and amazing ring, he has been often plunged into a vulnerable position and easily marginalized. However, his life is changed because of the cryptic ring.

- Description from Novelupdates

Wu Tao, a small mysterious trader, suddenly appears in the city of Jinan and encounters with Yuanbao, a foxy little beggar. Wu Taos identity as a trader is suspected soon, because on the day before he appears, Sun Jicheng, a millionare in Jinan dies a mysterious death, and people finds the dead one is his substitute. Around the countless wealth, confusing identity and the seven mysterious stars in the little beggar, various figures come on stage, starting a magical adventure story.

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.