Currently available on 2 streaming services.

Streaming, rent, or buy 2.43: Seiin High School Boys Volleyball Team – Season 1:

Currently you are able to watch "2.43: Seiin High School Boys Volleyball Team - Season 1" streaming on Crunchyroll, Crunchyroll Amazon Channel.

Cast

Yuuichirou Umehara
Misao Aoki (voice)
Kensho Ono
Kimichika Haijima (voice)
Shouta Aoi
Akito Kanno (voice)
Junya Enoki
Yuni Kuroba (voice)
Kent Ito
Shinichiro Oda (voice)
Subaru Kimura
Yusuke Okuma (voice)
Kaito Takeda
Issei Asamatsu (voice)
Yuu Wakabayashi
Hokao Kazuma (voice)
Takuya Eguchi
Ryūdai Jinno (voice)
Shun Horie
Tomoki Kakegawa (voice)
Kaito Ishikawa
Subaru Mimura (voice)
Kohei Amasaki
Mitsuomi Ochi (voice)
Kento Shiraishi
Yūhi Sawatari (voice)
Kenjirou Abekawa
Jungo Takasugi (voice)
Genki Okawa
Kohei Tokura (voice)
Gakuto Kajiwara
Naoyasu Uchimura (voice)
Sho Nogami
Keita Yanome (voice)