It's just stage fright. Plus more.

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)