Black Nose is a character in the animated film "Soreike! Anpanman: Black Nose to Mahō no Uta". This character is intrinsically connected to the magical song referenced in the film's title and directly relevant to Anpanman's vulnerability. Anpanman's head weakens upon exposure to water or dirt. To protect against this weakness during rain or underwater activities, he uses a specialized transparent glass helmet. This gear shields his head from moisture while preserving visibility, allowing him to maintain patrols and operations without compromising his head's integrity. The film's narrative centers on conflict and interaction tied to the magical song and its effects.