In my last life, I awakened the power of immortality during a global change. But he was framed and betrayed by his best friend, and imprisoned and experimented on by the human base. After suffering all the inhuman torture, I really couldn't bear it. When the base was attacked by a tide of beasts, I chose to be swallowed by the beast tide in order to gain relief. But I was reborn, one month before the end of the world. This time I must make everyone who hurt me pay the price.
Concept: The heroine is a normal person