Joo Se-young, nicknamed 'Honse Demon King', suddenly falls into another world 'Arcadia'. Her confusion is short-lived, but for her as a max level user, her attack on this world is a breeze. She collects cute party members, destroys dungeons to get treasures, and has a relationship with 'Karad', a pretty pretty deer. However, the quest of 'God', which is conditional on Se-young's return to the original world , entangles Se-young and her companions in a grand and dark conspiracy! Besides, to complete the quest, you have no choice but to sacrifice Karad... … ? Will she be able to break through the series of legendary difficulties?