Monsters suddenly appear in the world from gates and dungeons, and Yuuki Asuto becomes a hunter who awakens to his skills. However, no matter what he did, his skill <Return> wouldn't activate, and it was supposed to be useless. Until he meets his doomed future. By making full use of his <Return> skill, which allows him to return at any time after death, Asuto aims to become a stronger hunter than anyone else. All in order to defeat the worst monster that will destroy the capital in 10 years.