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...
Mikuriya-kun's picked 
"Natural Science" and "Lifestyle"?
"اختار ميكوريا-كُن "العلوم الطّبيعيّة
و"أساليب الحياة"؟
Mikuriya-kun hat „Naturwissenschaften“
und „Lifestyle“ gewählt.
¿Mikuriya-kun eligió
ciencias naturales y estilo de vida?
¿Mikuriya ha elegido
ciencias naturales y estilo de vida?
Mikuriya a pris
sciences naturelles et lifestyle ?
Mikuriya-kun ha scelto
"scienze naturali" e "lifestyle"?
O Mikuriya escolheu 
Ciências e Estilo de vida?
Микурия выбрал «Науки» 
и «Общие знания»?