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?
It's not true that the three cats can 
catch the extra mouse in one minute.
No es verdad que tres gatos pueden 
atrapar el ratón que falta en un minuto.
Pero no es verdad que tres gatos puedan 
atrapar el ratón que falta en un minuto.
Os três gatos não conseguem pegar
 o último rato em um minuto.