Tensei Shitara Slime Datta Ken (WN) - Chapter 272

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

Other people earn points, gain skills and attributes after transmigration, while I end up planting trees?

{NO SMUT}Noa lost his virginity to the Doom God and transmigrated into a game he had played for over ten years.Instead of being the protagonist, he found himself as an extra—a mere background character, fated to die before even making an appearance.To make matters worse, the game’s main character was also an extra who had read the novel about this world.However, Noa's power came after having sex with the Doom God, her blessing granting him 1,000 lives.And armed with 10 years of gaming experience, he was set on changing his future.Though Noa had 1,000 lives to spare, dying over and over had a price…The system was cruel, issuing his existence to every corner of Velrox and slapping a sweet bounty on his head.Suddenly, everyone in the world became interested in his identity, wanting him dead.With enemies on every side, Noa not only intended to screw up the plot, but he also had to survive the impending perils, as the world was set to be destroyed in five years…

Her parents died in planned accident by her uncle. They used her in every way they can. They planned to sue her so she wont take her fathers company back. They want to destroy her life making her penniless. No one knows that she is the not the same girl who was played as puppet in their hands. Five years changed her a lot. Now she is a hidden genius still acting pityfull to take revenge.