Reboot: Mechanic - Chapter 3: Test Subject 69

Syn, a dedicated guard in service to the ninth-in-line princess of a vast space station called “kingdom”, finds his life turned upside down when their ship is suddenly attacked by space pirates. Amid the chaos, Syn is shocked to discover that the leader of the pirates is someone from his past—a person he knows all too well.# Has femdom elements.

I was reincarnated into the world of Academy City.Since things turned out this way, I decided to aim for a decent job and live a happy life.As long as I catch the villains who will become the Great Villain, there shouldn’t be any problems.“Greetings. I am Ahn Woo-jin, a second-year student and the 45th Disciplinary Committee Leader this year.”And so, I became the Disciplinary Committee Leader, leading the top-ranked enforcement squad.

Travel to the primitive world, open up wasteland and farm land, tame animals and fish, build houses…

Jiang Xuan wants to create a tribe of his own!

- Description from novelbuddy

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