Seo Jun-Ho and his comrades made a monumental sacrifice to vanquish the frost queen and bring harmony back to Earth. However, after 25 years of being encased in ice, Jun-Ho awakens to a startling discovery – nine additional floors have materialized during his slumber, with only a single level conquered thus far! As the sole possessor of the means to conquer the next floor and revive his frozen allies, Jun-Ho must rise to the challenge anew. Yet, one must ponder: has this legendary figure remained dormant for too long to confront the formidable new adversaries that now stand in his path?