Rui makes a decision after her conversation with Natsuo. Later, Natsuo's class takes a field trip to Okinawa, where feelings are laid bare beneath the light of fireworks.
Quest roles:
Konomi Kohara(Miu Ashihara (voice)), Takeaki Masuyama(Yuya Masaoka (voice)), Haruka Yoshimura(Momo Kashiwabara (voice)), Gakuto Kajiwara(Kazushi Kine (voice)), Hikaru Midorikawa(Reiji Kiriya (voice)), Yurika Hino(Tsukiko Tachibana (voice)), Sayaka Kikuchi(Girl in group B (voice)), Tasuku Hatanaka(Alex J. Matsukawa (voice)), Riki Kagami(Male teacher A (voice)), Takuya Nakashima(Male teacher B (voice)), Atsushi Taniguchi(Boys (voice)), Mayumi Asano(Girl in group A (voice)), Chinami Hashimoto(Girl in group C (voice)), Naoko Komatsu(Hina's senior teacher (voice)), Takahiro Fujiwara(Head teacher (voice)), Risa Shirakawa(Female teacher (voice))