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...
It's a regularly scheduled competition where
إنّها منافسة تقام بشكل دوريّ يجتمع 
.فيها فرق من العديد من المدارس
Ein regelmäßig angesetzter Wettkampf, bei dem
die Teams der einzelnen Schulen sich messen.
Una competencia regular
donde participan varias escuelas.
Una competición regular
donde compiten varios institutos.
C’est une rencontre régulière
de clubs de plusieurs lycées.
È una competizione programmata regolarmente
dove si riuniscono squadre di quiz di scuole diverse.
É uma competição recorrente em que 
equipes de quiz de vários colégios se unem.
Это регулярные соревнования,