我が妹は帰還して生死を掌り、運命を覆す!

My little sister fell into a deathlike trance when she was six. I buried her with my own hands, thinking she was gone forever. But ten years later, she walked back into my life—just in time to save me from hell. Now the powerful family torturing me is about to learn the hard way: mess with my sister, and you answer to a goddess.