Kōgyō Aika Volley Boys (Japanese: 工業哀歌バレーボーイズ, Hepburn: Kōgyō Aika Barē Bōizu) is a Japanese manga series written and illustrated by Hiroyuki Murata. It was serialized in Kodansha's seinen manga magazine Weekly Young Magazine from 1989 to 2006, with its chapters collected in 50 tankōbon volumes. A sequel, Kōshoku Aika Volley Boys, was serialized in the same magazine from 2006 to 2011, with its chapters collected in 17 tankōbon volumes. It was adapted into a two-episode original video animation (OVA) in 1997, a three-episode drama video in 2006 and a live-action film in 2008. Source: Wikipedia (en)