A mysterious transfer student named Fubuki arrives at Miko's school, revealing herself as a skilled ninja who has stolen a sacred Miroku clan scroll. The two engage in a high-stakes duel of erotic ninjutsu before the King of Shekim, where Miko's superior techniques eventually secure her victory. Impressed by Fubuki's determination, the King grants her the gift of blue blood, transforming her into a powerful Shekima and forging an unlikely friendship between the two rivals.