Yanji, the number one executioner of the Apocalypse Alliance, the youngest S-class warrior in the battlefield of consciousness, was ordered to travel back 60 years in the face of danger. He used various identities to protect the apocalyptic villain from growing up safely, and swore to defend his love line to the death to ensure the occurrence of the end of the world.
However, no one told her that love security is so... Difficult!
No one told her, what if the villain refused to destroy the world?
The main character is a heartless female protagonist who is mainly fighting, and the secondary male protagonist is sinister and affectionate, and the plot is oriented.