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...
Huh?! On the first hint?!
!ماذا؟! من التّلميح الأوّل؟
Hä? Beim ersten Hinweis?
¡¿A la primera?!
¡¿A la primera?!
Avec un seul indice ?
Eh?! Al primo indizio?!
Hã? Na primeira dica?
Что?! По одной подсказке?!