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...
If you make two incorrect 
guesses, you're out!
!ستستبعدون إن قمتم بتخمينين خاطئين
Bei zwei falschen Antworten ist man raus!
Si adivinan mal dos veces,
estarán eliminados.
Si adivináis mal dos veces,
estaréis eliminados.
Se sbagli due volte, sei fuori!
Quem adivinhar errado 
duas vezes é eliminado!
Тот, кто ошибётся дважды, выбывает!