Hoozuki no Reitetsu OVA
Japanese title: 鬼灯の冷徹 OAD
Alternative titles: Cool-headed Hoozuki OVA, Hozuki no Reitetsu OVA
Type: OVA
Source: Manga
Episodes: 4
Status: Finished Airing
Aired: Feb 23, 2015 to Mar 23, 2017
Duration: 26 min per ep
Rating: PG-13 - Teens 13 or older
Studios: Studio Deen, Wit Studio
Producers: Starchild Records
Genres: Comedy, Fantasy
Themes: Mythology
Demographics: Seinen

Bundled with the limited editions of 17th, 18th, 19th, and 24th volumes of the Hoozuki no Reitetsu manga.

The fourth OVA episode was released approximately 19 months after the first three episodes, along with the announcement of a new TV anime for the series. Both the new OVA episode and the new season are animated Studio Deen, rather than Wit Studio.