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.
If you hate men that much, why 
come to Kaimei, a co-ed school?
Si odias tanto a los hombres, ¿por qué 
viniste a una preparatoria mixta como Kaimei?
Se você odeia tanto os homens, 
por que veio estudar num colégio misto?