Sekai wo Owaraseru Shoujo to Shinitagari no Eiyuu

is a Japanese light novel series written by Ryo Sakurasaki, with illustrations by Nebusoku. The series began publication on March 9, 2018 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
A high school student called a hero who receives immortal blessing from God.

A girl was in control of his fate and the existence of humankind.

Today, a dangerous monster that has been erased from mythology lurks in us. Yusei Oda, who just said "I want to die", was blessed by God and was devoted to searching for monsters as a hero.

One day, Yusei, who was chasing a monster while being helped by a flashy gal Rive and a popular actress, Yusei, happens to meet a girl who broke up when she was a child.

The encounter with her will shake the fate of Yusei himself and the world.