MTL - One Hundred Ways to Become a God - Chapter 171 Apprentice, he is a good person.

The male student, Fukai Nagamasa, ignores his studies for college entrance exams in favor of following the path to chuunibyou. As he fainted during night cramming session before the exams, he realized that he was transported to a parallel world as a feudal lord in the Sengoku Era. Not to mention that suddenly, he was marrying the sixth Demon King, Oda Nobunaga’s little sister, the one who was purported to be an unrivaled beauty?

Great Cultivator Chen Fan had failed his Tribulation period, but after a dream, he had returned to Earth, when he was young, five hundred years ago.

“In my past life, I reached the peak in the universe. I looked down upon the myriad of worlds, but with no one accompanying me. In this life, I wish for both.”

- 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.

Reborn as an Evolving Space Monster.The Paru is a peculiar Species that can be found billions of light-years away from Earth, on a small planet covered by strange minerals and crystals. The Parus are peaceful, as they can eat anything. From earth, to minerals, all suits their tastes. Why would such a peaceful Species develop the ability to Evolve by Devouring? The Parus Devour the minerals and crystals, which allow their shells to grow tougher and tougher every day. What happens when a person is Reborn as a Paru? What happens when a Paru isn't seeking a peaceful life, but one filled with adventure, adrenaline-pumping fights, and otherworldly beauties?The peaceful Species turns into a Calamity feared by this universe, and the next.