The girl Shiki met in the library was the same girl that he had seen riding on the back of Sasajima's bike. The book she left behind has a marker stuck to the page on building quiz bowl buzzer systems. Is she involved with quiz bowl? As Shiki is thinking about all his, Mari tells him they're having a joint quiz bowl practice with another school today. That school turns out to be Miyaura High, the team that claims Mikuriya as a member!
Those rules are meant to 
test our team's cohesion.
الغرض من هذه القواعد ليس 
امتحان تماسك فريقنا، صحيح؟
Diese Regeln testen
unsere Teamfähigkeit.
Las reglas son para probar
la unión del equipo.
Las reglas son para probar
la unión del equipo.
Des règles qui demandent
de jouer collectif…
Queste regole mettono alla prova
l'affiatamento della squadra.
São regras para testar
 a coesão da equipe.
Это тест на сплочённость команды.