MTL - The Infinite Journey of Cruelty - Chapter 9 : I'm just a passerby

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

Xia Xiao unexpectedly reincarnates to the 1960s and becomes a young intellectual in a production team.Having obtained a mystical space with a spirit spring and jade water, she raises chickens and grows vegetables, but dares not use them.As everyone around her is skinny and hungry, if she turns herself into a wealthy and beautiful woman, it would lead to her undoing.Xia Xiao looks up to the sky and sighs deeply, what a bittersweet surprise this is!

One day, I woke up only find out that I’d become a Demon Lord, an individual responsible for protecting a dungeon. The world I’d been spirited away to was one filled with violence. Gigantic monsters wandered through it and competed with each other each and every day for the right to survive. I had no choice but to strengthen my dungeon’s defenses in hopes of living another day—or at least that was what I’d thought. For some odd reason, I instead ended up spending my days in relaxation and bliss.