Hōtarō realizes that girl who wrote about Eru's uncle in Hyōka and school librarian is the same person. Will Classics Club be able to finally solve Eru's uncle mystery with her help?
Hōtarō and Satoshi are on their way home in the rain. As they ride, Satoshi speculates that Hōtarō has been solving mysteries after mysteries "for (Eru) Chitanda's sake, which he's surprised about. Hōtarō corrects him that it was her fault that he had to solve them. But Satoshi disagrees that at the last one, where the Classics club was having a research-collaboration, Hōtarō didn't have to really solve the case, yet he went out of his way to do so. Hōtarō reasons that after seeing the liveliness of the other members, he may have wanted to waste energy by creating a theory. The rain stops, and he states that he may have been jealous of their rose-colored lifestyle.
Back at home, Hōtarō thinks to himself if he really wanted a rose-colored lifestyle, like Eru or her uncle, or even like his own sister. He couldn't understand his feelings though. Looking back to his sister's letter, Hōtarō reads a line that said "I'm sure I won't regret it 10 years from now," possibly relating to her request for Hōtarō to enter the Classics club. After he wonders what he would think about himself 10 years in the future, the home phone rings and Hōtarō heads over to get it.
It is his sister calling, giving a report on how she's doing with her world travel. She then asks how Hōtarō was doing, and he replies that the club was working on the Hyouka and articles related to Jun Sekitani. Hearing this, her sister asks if the term "Kanya Festival" is still taboo. This surprises Hōtarō, making him ask if she knows what she 's talking about. Tomoe, his sister, talks about how tragic and depressing the event was, which made him want to ask more, but she was out of time. Tomoe cuts the phone, leaving Hōtarō a bit confused, as the story of Jun Sekitani he knew of, was heroic, not tragic.
Hōtarō reviews the resources, and concludes that if the story about Jun Sekitani was "tragic", the theory he gave everyone was either incorrect or incomplete. He thinks about how Jun sacrificed his high school life for the sake of the other students. This high school life should have been rose-colored to him, but if it was tragic, as Hōtarō's sister said, it was not at all. Hōtarō finds interest and wishes to solve this case.
- Hyouka Volume 1 (You Can't Escape)-Chapter 7 (The Truth Of The Historic Classics Club).
- Hyouka Volume 1 (You Can't Escape)-Chapter 9 (Letter To Sarajevo).
- In the novel, they decide to talk with Itoigawa in the librarian office because the library is full with students.