Karasu Tengu Kabuto: Ougon no Me no Kemono
Japanese title: 鴉天狗カブト 黄金の目のケモノ
Alternative titles: Raven Tengu Kabuto: The Golden-Eyed Beast
Type: OVA
Source: Unknown
Episodes: 1
Status: Finished Airing
Aired: Jul 24, 1992
Duration: 45 min
Rating: R+ - Mild Nudity
Producers: KSS, NHK
Genres: Action, Adventure, Drama
Themes: Historical

Kabuto is a tengu who has to save a princess from fortress which is full of monster-mecha hybrids in an alternate reality of feudal Japan. 

(Source: ANN)