Format
ONA
Episodes
15
Episode Duration
24 min per ep
Status
Finished Airing
Premiered
Aired
2018-12-03 to ?
Source
Original
Rating
R - 17+ (violence & profanity)
Genres
Action
Mystery
Sci-Fi
Detective
Studios
Pierrot
Producers
Sotsu
Netflix
Licensors
Sentai Filmworks
Hero Mask (ヒーローマスク)
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!