Manabiya Sannin KichisaManabiya Sanninkichisa; The School Secret Agent; まなびや三人吉三; 三人吉三; 学园兵团三人吉三

Perky Yaaya is a first year student at Koushinmaru High School and a new member of the school newspaper staff. In order to become a full member of the staff she must uncover the identities of the Sannin Kichisa, a mysterious trio of masked avengers haunting the school!