Namanaka Hyaku Percent!: Katamusubi no Shinpa is an adult OVA that centers on a unique, fetish-driven societal tradition known as "Shinpa" where footwear, particularly shoelaces, symbolizes sexual preferences, allowing characters to identify partners. This 2012 release from studio Milky is frequently sought within the Indonesian anime community for its specialized plot and available subtitle options. For more details, visit MyAnimeList . Namanaka Hyaku Percent!: Katamusubi no Shinpa - MyAnimeList