There's definitely something wrong with this murder mystery game - Chapter 958 - 774: If I Could Do It All Over Again_3

A Di [legitimate-born] daughter of a noble house turns into an abandoned daughter. No father to dote on her, no mother to love her, no problem. She uses one silver needle to save a dying man. What’s so unusual about a medical injection? She roams all over the world with a scalpel in her hand. Cutting throats, cutting open abdomens, cutting open skulls to mend bones. With amazing medical skills and ethics, she gathers a flock of officials, obtains the will of heavens, gains public favor, and receives Taizi’s [Crown Prince] doting. In the midst of a powerful momentum, her cheap father comes to reunite. She coldly refuses to go home or acknowledge ancestors.

“I was abandoned by you over and over again. Now you want to use familial affection to coax me back. You don’t want to recognize this daughter. My heart is cold, I want to leave. Beat it, father!”

- Description from Novelupdates

I became the childhood friend of the protagonist in a novel. The childhood friend who died from taking drugs.

A generation after the last Great War, the world prospers while leaving the BloodStar Empire sequestered and alone. However, things begin to change as the next BloodStar heir aims to make new allies in a world more willing to forgive her empire’s tragic past of violence. The beautiful and young Xenia BloodStar is a world-class beauty, a calculating politician, and an immensely powerful ki user. In an established world ruled by Master Families, will the Princess BloodStar use her beauty and power to elevate her empire on the world stage? Or will she follow in her mother’s footsteps of violence and war?Release schedule: At least one new chapter every Sunday at 9:00 AM CST. Thanks for reading :)

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.