Oathbreaker: A Dark Fantasy Web Serial - 1.39: Departure, Duty, Dream

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

【Let me laugh’s new book, you know what I mean, the quality is guaranteed!】 The Reincarnator Chu Ge was unfortunately bitten by a Black Cat, and because of this, was pulled into the Survival Arena. Upon entering the Survival Arena, humans would randomly transform into animals or plants to compete in life-and-death struggles, with the losers completely turning into animals and living in a daze in zoos forever! Bedrooms, parks, mountain peaks, boundless grasslands, azure seas, and magnificent atmospheres—all became arenas of competition! In the Survival Arena, Chu Ge became an African Lion! Lions fought tigers, dragons contested with pythons! Chu Ge said, “In the survival of the fittest, I must survive!”

Noah Carter wasn't special. A broke programmer working from his cluttered studio apartment, he spent his days applying for jobs, getting rejected, and scraping by with low-paying freelance gigs.One ordinary Tuesday, while debugging code at 3 AM surrounded by energy drink cans and ramen cups, Noah accidentally broke reality.He didn't mean to... it just sort of... happened.A system message appeared, floating in his vision. The Idle Tycoon System had chosen him. His first shop: a small bakery in a Magical Medieval world where demons, dragons and half-humans exist.Every sale generated automatic income, day after day. Every new world unlocked new opportunities.Noah brought it all back to Earth, selling what he could, keeping what he couldn't. One shop became two. Two became a hundred. A network spanning dimensions, time periods, and realities—all generating income while he slept.Countless years later, Noah raised his head from his pillow and realized something unexpected. The broke programmer who couldn't land an interview had become the richest man in the universe!

Transmigrated in erotic game and having a lot of fun. A lot of R-18 chapter.