It's just stage fright. Plus more.

Aoi Koga

Shoko Komi (voice)

Gakuto Kajiwara

Hitohito Tadano (voice)

Rie Murakawa

Najimi Osana (voice)

Rina Hidaka

Ren Yamai (voice)

Rumi Okubo

Omoharu Nakanaka (voice)

Yukiyo Fujii

Himiko Agari (voice)

Ami Maeshima

Makeru Yadano (voice)

Noriko Hidaka

Narrator (voice)

Norihito Hase

Toshio Seikimatsu (voice)

Tooru Arizumi

Male Student (voice)

Mari Uchiyama

Eiko Ushiroda (voice)

Kensho Ono

Mono Shinobino (voice)

Kenji Akabane

Shigeo Chiarai (voice)

Yuga Sato

Taisei Sonoda (voice)

Junya Enoki

Shosuke Komi (voice)

Maaya Uchida

Hitomi Tadano (voice)

Live Mukai

Amami Sato (voice)

Hitomi Nabatame

Homeroom Teacher (voice)