Tsurune: Kazemai Koukou Kyuudou-bu - Yabai

ツルネ ―風舞高校弓道部― 第十四話「矢場い」

Unaired episode pre-screened at an event and later included with the Blu-ray/DVD release. There are many reasons why two rival teams would join forces. In the case of the Kazemai and Kirisaki kyudo teams, it’s to learn about a pop idol to help Masa! (Source: HIDIVE)