Kagerou, a ninja-like purse and wallet-snatching thief, plagues the students of Kaimei Academy. Can the Sket-dan stop him or will it take a ninja to catch a ninja? Over at the Student Council, President Tsubaki is trying to get used to his position, a task made harder when it appears the new treasurer is off her rocker.
I don't know what's happening... 
but I've got a headache...
No sé qué sucede... pero 
ya me duele la cabeza...
Não sei o que está acontecendo, 
mas estou com dor de cabeça.