| 2.43: Seiin High School Boys Volleyball Team | |
 First light novel volume cover | |
| 2.43 清陰高校男子バレー部 (Nī Ten Yonsan Seiin Kōkō Danshi Barē-bu) | |
|---|---|
| Genre | Sports |
| Light novel | |
| Written by | Yukako Kabei |
| Illustrated by | Aiji Yamakawa |
| Published by | Shueisha |
| Imprint | Shueisha Bunko |
| Original run | March 2015 – present |
| Volumes | 6 |
| Manga | |
| Illustrated by | Aiji Yamakawa |
| Published by | Shueisha |
| Magazine | Cocohana |
| Demographic | Josei |
| Original run | July 2018 – September 2018 |
| Anime television series | |
| Directed by | Yasuhiro Kimura |
| Written by | Yōsuke Kuroda |
| Music by | Yugo Kanno |
| Studio | David Production |
| Licensed by | Crunchyroll |
| Original network | Fuji TV (NoitaminA) |
| English network | |
| Original run | January 8, 2021 – March 26, 2021 |
| Episodes | 12 |
2.43: Seiin High School Boys Volleyball Team (Japanese: 2.43 清陰高校男子バレー部, Hepburn: Nī Ten Yonsan Seiin Kōkō Danshi Barē-bu) is a Japanese volleyball light novel series written by Yukako Kabei and illustrated by Aiji Yamakawa. Shueisha have published five volumes in three seasons since March 2015 under their Shueisha Bunko imprint. A manga adaptation with art by Yamakawa has been serialized in Shueisha's josei manga magazine Cocohana from July to September 2018.[1] An anime television series adaptation produced by David Production aired from January to March 2021, on the NoitaminA block.
"2.43" refers to the height of the net for male volleyball, 2.43 m.