Rivers of the Night - Chapter 32: The Fourth Rule

Lucas was the last human in the universe.A cosmic-scale war had consumed humanity in massive destruction. As collateral damage, there were no longer any habitable planets. Lucas Alhamera, a scientist, attempted to terraform a planet resembling Earth called Antroseda but continuously failed.Overwhelmed by despair and the crushing weight of loneliness, Lucas attempted to end his own life using a euthanasia capsule. However, just before his life could be taken, he was abruptly awakened by a notification.[As the last of the dominant species, you have been chosen as the new Overseer of this universe.][The cycle of life must continue to preserve balance.][Select planet as the birthplace of the new species (default)][Select another planet...]With the Overseer System he had obtained, Lucas began what he had failed to do for hundreds of years: reviving a dead planet and creating a new race to succeed humanity.

A man is reborn into the world of Avatar: The Last Air Bender as a waterbender from Katara's tribe. Best of all, he was the same age as her, and he had a system with him to help.He knows the future and a system that lets him continuously get stronger by completing quests or long-term missions, as well as giving him the ability to copy abilities from others for himself. He will become invincible in the world of Avatar, even more so than the Avatar himself.

Follow the story of Tianlian Liu Shu, a tree who didn't know anything at first and struggles to survive and extend her roots through the cosmos.The World she lives in is filled with fantastic sights and strange new cultures, and there is something everybody in this World has: A system.Moreover, even while she is a tree, she has people who will fawn over her...?“Tiantian, does the Sun feel good on your leaves today?”“Liu Liu, I've found this delicious compost made of natural extract~.”“Tian'er, does the wind feel good on your branches?”Tianlian Liu Shu, a female tree, didn't really know what to do with these fawning women.