The Sket-dan is challenged to a battle of wits by Enigman, the masked President of the Quiz Club (and his lovely assistant Quettion). Later, a drop-dead gorgeous second year comes to the Sket-dan to ask for advice... about love? Can the Sket-dan unravel the enigma of love?
Then, how many cats does it take 
to catch 100 mice in 100 minutes?
¿Cuántos gatos se necesitan para 
atrapar a cien ratones en cien minutos?
¿Cuántos gatos se necesitan para 
atrapar a cien ratones en cien minutos?
Então, quantos gatos são necessários 
para caçar 100 ratos em 100 minutos?