MTL - Today the Manager is Also Very Kind - Chapter 26

Dying at a young age after a disappointing life. Mat thought he hit the jackpot when he got reincarnated on a tropical island as a baby. Here, exploring mysterious lands and learning magic are a reality. The world of Elydes is beautiful and magical, wild and savage. While the Guide is impartial to all, people are not. Mat has the lowest starting point possible, and those like him rarely go far. To not let his humble birth define his life, he'll need to find the determination to grow stronger and delve into the mysteries of Elydes.

(Apocalypse Farming, Sweet Pet 1V1) As soon as she opened her eyes, Su Shu found herself reborn two months before the Apocalypse. Before her rebirth, a certain man watched over her and protected her for three years, almost going as far as dragging her home to swallow her whole. After her rebirth, not only did she have to raise her adorable genius niece, but she also had to take care of a wolfish husband. This Apocalypse was a bit different! The pitiful her from her previous life now not only had a heaven-defying space, but also blood-related family, and on top of that, the indulgent spoiling of Tang Dashao, who sprinkled dog food without restraint. Su Shu thought, even if the heavens required her to reset and start over once again, it wouldn't matter. She would just meet Buddha, kill Buddha; meet a ghost, kill a ghost!

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.

I didn’t know this was a world inside a game. And I didn’t know my master was a mid-boss. “No way… wasn’t she supposed to self-destruct because of her personality?!” …I’m sorry.