Katou Kiri has become Tsubaki's loyal retainer, but will the young ninja learn to work together with his other Student Council colleagues in order to build a better academy? Then, the Sket-dan teams up with the Student Council to cure Usami of her hatred for all men... and it involves more than one kind of cross-dressing...
Katou is a guy who wants to be 
useful to other people after all.
Sin duda Kato es alguien que quiere servirle a los demás.
O Katou é mesmo um cara que 
quer ser útil à outras pessoas.