Kyouichirou belongs to a strange club at Kazegahara Academy called the ‘Spy Club’. It’s not actually a real club, but an unofficial one. The club members are all very eccentric: the club leader Chikae, unrivalled in leadership; his childhood friend Karin who is a hacker; super-mechanic underclassman Uta; and reckless, ex-gymnastics ace Haruna. They go around the school every day, completing various missions. One day, a strange person by the name of ‘Ghost Dog’ who causes mischief in the school. They start a mission to uncover ‘Ghost Dog”s true identity, but the student council is watching their every move in the shadows…