Zaregoto - Volume 1​ Chapter 4: Savant Blue (Part 4)

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

Ali Avery was a successful young man adored by everyone. But things were not as they were shown to the life. Shunned and betrayed by his peers... He was hiding among happy facades.

The female protagonist transmigrated into a wretched, lazy, and gluttonous villainess in a farming family!Her notorious reputation, fostered by her overly pampering mother, alienated the entire family. See how Jinhua cleanses her name, becoming diligent, brave, and the applauded golden girl everyone praises.With a wretched mother, a sick father, a stepsister, four brothers, and a bunch of nephews, all dead broke and needing support, poor and infighting, what to do?No worries, with the System in hand, I have the world!Harmonize the family, build wealth and prosper.The belle of the villages for miles around, Jinhua the beauty!……Mountain man, what was it you said before? You'd rather die than marry her, and even one more glance would shorten your life?A certain mountain man: No, no, no, wife, you must have heard wrong! I said I'd rather die than not take another glance, and I'd shorten my lifespan just to marry you.Hmph, that's more like it!!

One day, a handsome young man died in a car accident. He suddenly wakes up and find himself in an unfamiliar place, but what surprised him most is that he is taking over someone else’s body.