IDXX1.COM – Hotaro Oreki (Kento Yamazaki) is a freshman in high school. He decides to join the Classic Literature Club following his older sister’s recommendation. There, Hotaro Oreki meets Eru Chitanda (Alice Hirose). They come across a Hyouka anthology which was published 33 years ago. Hotaro Oreki and Eru Chitanda begin to reveal the truth related to the Hyouka anthology, their school and school festival.