Prison School OVA English Subbed Summary: The OVA featured the previously unanimated “Mad Wax” arc from the manga. Bundled with a limited edition of the manga’s 20th volume. Genre:Comedy, Ecchi, Romance, School, SeinenOther Name:Prison School OVA, Prison School: Mad Wax, Kangoku Gakuen OVA, 監獄学園[プリズンスクール] マッドワックス Type: OVA Status: Completed Released: 2016 Episode List Prison School: Mad Wax English Subbed