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?
Why not? It's his fault in the first place!
¿Por qué no? ¡Al fin y al cabo
 Shigeru-kun es el culpable de todo!
¿Por qué no? ¡Al fin y al cabo
 Shigeru-kun es el culpable de todo!
Por que não? 
É culpa dele, para início de conversa!