Kawaki enrolls at the Ninja Academy and begins classes as a freshman with Himawari and the others. But it’s actually a secret mission to protect a princess from assassins. This is kept a secret because she’s come from abroad to study. Since it is a personal request from Naruto, Kawaki decides to attend the academy hesitantly, where the students are younger than him. Kawaki’s difficult school life with an unreliable teacher named Hana Kaka and his unique young classmates begins!