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?
...and N (Quizzists)!
Nota: Nazo significa "misterioso". Sado es de sádico y Maso de masoquista.
Nota: De Nazo, misterioso.
e charadistas!