MTL - Great Demon King - Chapter 146 I have kept it for you.

A novel revolving around being transported to another world with an op system. The mc spends his day chasing skirts and doing missions to level up. A standard journey to the top with lots of girls from various animes and games with a twist of that gaming feel (hunting mobs, doing missions).

- Description from novelupdates

The person that Pei Zhen hates most in his life is the perfect Fu Sichen. Alas, life is full of surprises and unpredictability. One fine day, an accident turns Pei Zhen into Fu Sichen’s pet cat! As Fu Sichen’s pet cat, he makes a shocking discovery about his sworn enemy – a deep dark secret that the perfect Fu Sichen has kept hidden for years. Trapped in his cat body, Pei Zhen moves from one adventure into another while trying hard to find a way of turning back into his human self. When he finally does, the world as he once knew, has become a completely different place!

Tired of the schemes and strifes of city life, Bei Feng finally returned to his hometown in the countryside

The Return of the Condor Heroes by Jin Yong was first serialized in newspapers from between 20 May 1959 and 5 July 1961.

This is the second book of the Condor Trilogy. The story has undergone two revisions. The second edition was released in May 1976 and and the third edition was published in January 2003.