As Mari and Kouzuki Yuki are working at their part-time job in Akihabara to earn money for a buzzer set, Shiki and Inoue arrive in the area to train themselves with a quiz bowl game in the arcade. They're battling against a player called "Second Lieutenant Chisato" when Ashiya shows up, and the pair finds out that their opponent is someone they know quite well. Then a strange, somewhat suspicious character approaches the group...
"The more points you win, 
the higher your rank," huh?
كلّما زادت نقاطك، ارتفع مستواك" إذًا؟"
„Je mehr Punkte,
desto höher platzierst du dich“, ja?
¿Tu rango cambia con tus puntos totales?
¿Tu rango cambia con tus puntos totales?
On change de niveau
en gagnant des points…
La tua posizione sarà determinata
dal tuo punteggio totale", eh?
A classificação muda 
conforme o total de pontos".
«Чем больше очков заработаете, тем выше 
станет ваш ранг».