2.43: Seiin Koukou Danshi Volley-bu Mini Anime
Japanese title: 2.43 清陰高校男子バレー部 ミニアニメ
Alternative titles: 2.43: Seiin High School Boys Volleyball Team Mini Anime
Type: ONA
Source: Novel
Episodes: 8
Status: Finished Airing
Aired: Nov 1, 2020 to Nov 27, 2020
Duration: 1 min per ep
Rating: PG-13 - Teens 13 or older
Studios: AQUA ARIS
Genres: Slice of Life, Sports
Themes: Team Sports

Mini anime introducing the characters, released on the official Twitter.