Lady Su’s Revenge - Chapter 600 - It Was Incumbent upon Me!

Kane transmigrates to a world of dungeons when he is playing game. Looking at the Book of Adventure in front of him, he realizes it is his System that is going to change his life in this world.With the system that gives him the ability to extract skills from dead enemies, he embarks on quests in search of treasure and relics hidden in this world.[Extracting...][Completed][Name: Spider Nest Weaver][Category: Active Skills][Explanation: Spend magic power/physical strength to release spider silk from the jet ports, the silk's strength determined by the energy spent, but there are certain limits]

A man suddenly finds himself inside the world of his favorite game, Brave Hearts, after a night of gaming...Mistaken for “Raye Alvah,” the ruffian second son of a duke, he faces hostility from strangers and is publicly disowned by the noble family!And as he pieces together his strange new reality, he realizes he’s living as a minor villain destined to be forgotten after being defeated by the protagonist!And now...“Fuck this shit, why did it happen to me?”He must adapt to survive in this world.

Zheng Tan somehow returns to the year 2003, turning into a black cat. Picked up from a rubbish heap by the Jiao family, he is given the name “Charcoal”, and so begins the life inside Professor Jiao’s family. Zheng Tan remembers that he was once a person, but currently his body is that of a cat. He has no way of speaking the human language, but can understand it, and even retains the thinking and IQ of a young 20 year old youth. Read along as he adapts to this new world, and somehow tumbles from a group brawl to catching a thief.

- Description from Novelupdates

The MC entered the body of the An family eldest son, An Ziran, an arrogant 16 years old boy who weighed 78 kg (~171-172 lbs), who only knew how to eat, play and sleep. Seeing his current body, An Ziran decided his first priority was to LOSE WEIGHT!