Hero Mask
Japanese title: ヒーローマスク
Type: ONA
Episodes: 15
Source: Original
Genres: Action, Mystery, Sci-Fi
Studios: Pierrot
Producers: Sotsu, Netflix
Duration: 24 min per ep
Rating: R - 17+ (violence & profanity)

Now there's a mysterious Mask before James Blood, and the man behind it is one that shouldn't exist. What is the mystery surrounding this mask...? So begins an action-packed crime story set in a beautiful city!