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!
The hints given were Romance of the 
Three Kingdoms and Water Margin.
التّلميحات الّتي مُنحت هي "غراميات 
."الممالك الثّلاث" و"حافّة المياه
Die Geschichte der Drei Reiche
Romance de los tres reinos
y A la orilla del agua.
Romance de los tres reinos
y A la orilla del agua.
Les indices sont
Les 3 Royaumes et Au bord de l’eau.
Gli indizi che abbiamo sono
"Il romanzo dei tre regni" e "I briganti".
As dicas são o Romance dos 
Três Reinos e Margem da Água.
Имеющиеся подсказки — 
«Троецарствие» и «Речные заводи».