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...
Won't Koshiyama try to 
make this challenging?
ألن يحاول كوشياما جعل الأمر أكثر تحدّيًا؟
Wird Koshiyama die Geschichte
herausfordernder gestalten?
¿Koshiyama no intentará hacerlo difícil?
¿Koshiyama no intentará hacerlo difícil?
Koshiyama ne veut pas
jouer sérieusement ?
Koshiyama non vuole metterci un po' di pepe?
O Koshiyama está tentando dificultar?
Кошияма захочет пойти лёгким путём?