Level 4 Human in a Ruined World - Chapter 8

Earth is the human civilization’s cradle, but humans cannot possibly live within its cradle for eternity.In 2264, the first deep-space colonization spaceship of human civilization leaves the solar system and enters the boundless darkness…Zhang Yuan, son of the man behind the spaceship’s main control system, is one of the half a million volunteers to embark on the 20 light-year journey to a new planet.Follow Zhang Yuan on his journey of gaining new knowledge, exploring the unknown, and finding out what's the secret behind the intelligence enhancer his father left him.

Before she met the system, Bai Yu always thought that she was a girl who was incomparably innocent who can’t understand.

After encountering the system, she dragged the sour and tired body day and night, greeting the system and the man for a thousand lives and 10,000 times.

– The final conclusion is that the body is fragile, and it need to be cherished.

This is a story of being crushed by one male after another.

- Description from Novelupdates

…but it seems pretty doable.

The strongest Demon Lord dies, and reincarnates as a human. Not only that, he because of various incidents turns into the hero’s best friend.

Follow his journey as he tries to help the hero escape his fate, and on the sideline to conquer the continent while he’s at it.