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?
Now that you know who I am, please don't act 
friendly to me outside of the club, okay?
Ahora que sabes quién soy, por favor no actúes amigablemente conmigo fuera del club, ¿sí?
Ahora que sabes quién soy, por favor no actúes amigablemente conmigo fuera del club, ¿vale?
Agora que você sabe quem eu sou, não vá
 ser meu amigo fora do clube, entendido?