A Nexus Devil - Chapter 3 : Jeanne smiled cheerfully

Scott McCall's life changes the moment he is bitten by a werewolf, but this isn't the same Scott from before. A transmigrator from another world, the new Scott embraces the power and knowledge of his wolf side, determined to control his fate. With a confident, decisive, and fearless personality, Scott aims to protect his loved ones, especially Allison, while becoming stronger than ever. As new supernatural creatures and threats arise, Scott must master his alpha potential and unravel mysteries not found in the original timeline. Armed with knowledge of the future and powers beyond the original Scott, he carves his own destiny, challenging both hunters and creatures alike.Disclaimer – I do not own Teen Wolf.

Among the demons, the supreme ones are called “Great Saints.”

A young man leaves his mountain village and travels around the world. By unceasing efforts, he finally becomes a legend of the age.

- Description from Novelupdates

The story is centred around a cute android who initially had a happy life with her master who dearly loved her. But she was then struck by a series of misfortunes and ended up in a robot-equivalent of concentration camp. Through experiencing and witnessing the sufferings towards herself as well as the people/robots around her, she eventually gained a better appreciation of life.