Cannon Busters
English title: Cannon Busters
Japanese title: Cannon Busters
Type: ONA
Episodes: 12
Source: Other
Genres: Action, Adventure, Fantasy, Sci-Fi
Studios: Satelight, Yumeta Company
Producers: Netflix
Duration: 24 min per ep
Rating: R - 17+ (violence & profanity)

Follow the adventures and exploits of S.A.M, a high-end, royal-class friendship droid who's joined by a quirky, discarded maintenance robot and a brash, deadly fugitive. Together, the unlikely trio embarks on an unforgettable journey in a fantastic and dangerous world in search of S.A.M's best friend, the heir to a powerful kingdom under siege.

(Source: Official Website)