Starting with My Kidney Being Stolen

[Asexual protagonist + universe + transmigration + no saintly do-gooder + mildly dark story + partially digitized]

P.S. The protagonist can become a man or a woman later! But to satisfy the majority, I’ll consider whether to settle on one gender.

If one day your kidney were ripped out and you died, would you hate the person who took it?

If one day your kidney were ripped out and you transmigrated to a supernatural world, what would you do?