MTL - Dragon Who Controls Time - Chapter 527 Garon's Sun Authority

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Enigmatic hands, spectral frame, and one cunning strike just like the swing of the Grim Reaper. The Supreme Assassin takes on the mystical world, and how his legendary tales sets off, progressively ascending the altar to becoming the best.

- Description from Novelupdates

As soon as Li Ye opened his eyes, he saw two three-meter-tall giants fighting each other.

“What sin did I do, I’m going to die just after transmigrating!!”

“Ding, feel that the host is in danger, activate the system, and reward the novice with a big gift package – 12 spell powers”

Since then, Marvel has added a superman who can fly, whose eyes can emit lasers, and who can…

“Hulk, from now on, I will be the strongest on Earth!”

“Thor, I lifted your hammer!”

“Ultra, it’s time to go back to the furnace and rebuild!”

“Hella, just because I beat you, doesn’t mean I want to marry you!”

“Purple Sweet Potato Essence, don’t run away! Don’t you snap your fingers?”

“Gwen, Wanda…we are all family”

- Description from novelbuddy

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.