My Sister Was Murdered, So I Sacrificed My Life to Take Revenge

That day, Qin Yang faced his younger sister with the single conviction that had kept him going: she was terminally ill and had only three years to live, and he had to look after her until she got to college. But then he received a call telling him that she had jumped from a building. That day, Qin Yang saw his sister with broken bones throughout her body, bleeding in her brain, and bruised organs. She would need blood thinners and a ventilator for the rest of her life... He had thought she might pull through. But then a shameless hospital discovered that she had panda blood, drained her body of it, and caused her to die of massive blood loss, leaving him forever. That day, he stood beside his sister’s corpse, numb with despair. Just then, a demon’s whisper came to him, offering a deal: his remaining three years of life in exchange for something. He wasn’t afraid. Instead, hope was born within him! He resolutely struck a deal with the demon, trading three years of his life for every skill and ability in the world! He slowly opened his eyes, his expression firm. “I will uncover the truth and avenge you, little sister!” All living beings are equal, so why must I be the one to suffer? Three years of life, a path to heaven. I will set right the injustices of this world. That day, as he looked at his sister’s body wrapped in a white sheet, Qin Yang had only one thought. Everyone who hurt his sister would pay for it in blood! “I will never forgive them...”