MTL - Sword of Daybreaker - Chapter 14 Wild Master

What if you woke up one morning and remembered all 999 of your past lives?

Chae Woojin, an actor who will shine brighter than the stars. A story about his journey towards his dreams!

The world has ended. I’m the only survivor left in the shelter. But by my side is the world’s most advanced AI, Artemis.

This is a reincarnation/isekai story, about Matt (later TreeTree), an overpowered tree in a fantasy world that serves as the battlefield for an ongoing conflict between demons and the heroes summoned to oppose them.At first a bystander, over a long period of time, TreeTree will learn all sorts of skills, gain levels, and in doing so, build up a forest, train young subordinates, protect a village, and more.

There was a Senior Brother and a Junior Sister. One of them was transmigrated to this world and had cheats while the other was the reincarnation of a Great Emperor.