Is No Littering hentai?

ONA · 2012 · 1 episodes · R - 17+ (violence & profanity)

Comedy, Horror

While enjoying a date in a park, a man carelessly tosses an empty bottle onto the ground. His selfish littering promptly summons an imposing figure wearing a white hockey mask. The gruesome events that follow tell an admonishing tale about the importance of preserving the outdoors and defending the environment from the ugly menace of litter. [Written by MAL Rewrite]