Hero Mask (2019) Othername: Hero Mask Part II, ヒーローマスク パート Type: ONA Released: 2019 Status: Completed Genre: Action Mystery Police Sci-Fi Synopsis: Second part of Hero Mask. Hero Mask (2019) Episode List Hero Mask (2019) Episode 13 years ago Hero Mask (2019) Episode 23 years ago Hero Mask (2019) Episode 33 years ago Hero Mask (2019) Episode 43 years ago Hero Mask (2019) Episode 53 years ago Hero Mask (2019) Episode 63 years ago Hero Mask (2019) Episode 73 years ago Hero Mask (2019) Episode 83 years ago Hero Mask (2019) Episode 93 years ago