Stranded in the world of Twisted Wonderland, Yu must brave a magical school filled with ghosts, monsters, and uncooperative students! Still trying to get his friend Ace out of trouble, Yu attends one of Heartslabyul Dorm's traditional unbirthday parties. But instead of solving Ace's problems or having a bit of fun, they wind up incurring the wrath of the housewarden, Riddle!