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?
I am fretting over whether to preserve 
my enjoyable relationship as a friend,
Estoy en el punto de querer preservar una amistad duradera como amigos,
Estoy en el dilema entre querer preservar una amistad duradera como amigos,
Estou na dúvida se mantenho minha
 agradável amizade com uma amiga