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Koiki and Ryōtarō are not your typical middle school student council presidents—they're also secret ninjas! Balancing their school duties with their hidden identities, the couple embarks on a thrilling mission to find the legendary treasures of their ninja clan to save Koiki's father. Along the way, they're joined (and sometimes hindered) by Ryōtarō's father, Kantarō, and a talking ninja cat, Nyanzō, as they face challenges, unravel mysteries, and master Koiki's signature "seven transformations."
