Yurina, the producer who turned the K-pop idol group “Dragon Nest” into global superstars, loses everything due to the schemes of a rival entertainment agency and falls into complete despair. But at that very moment, she is suddenly transported to another world. There, she meets a nameless young slayer named Kou. Using her exceptional producing skills, Yurina unites people from many different races and eventually builds the strongest dragon slayer guild. As they grow stronger, they uncover a massive conspiracy engulfing the world, and together with their companions, they throw themselves into a battle to save it all.