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...
More importantly, don't forget 
about the regular meet.
.الأهمّ من ذلك، لا تنسَ لقاءنا الدّوريّ
Und vergiss bloß nicht
das reguläre Quiztreffen.
Por cierto, no te olvides
de la reunión regular.
Por cierto, no te olvides
de la reunión regular.
Mais par contre,
n’oublie pas… l’assemblée.
Piuttosto,
non dimenticarti della gara regolare.
Mais ainda, não esqueça
 o encontro regular.
Не забудь о следующей 
регулярной викторине среди клубов.