Now that Hayato has finally accepted the role of Himawari’s master, life continues as normal at the Village of Mist’s school for girls… that is, until the boy’s academy is unexpectedly demolished and all the male students disappear! Shortly after this sudden act, Himawari and the others are targeted by a series of bizarre ninjas. However, these incidents are not unrelated. Who is behind these strange events and just what does the mysterious master-of-disguise Takechi-sensei have to do with it all? Himawari, along with Shikimi, Yusura, Himeji, Azami and the bumbling Hayato, must stay on guard if she hopes to find out just what on earth is going on and why the six of them are being specially targeted.