Taimanin is a media franchise by LILITH [ja].
Originally starting as an eroge visual novel series, over time Taimanin has grown to include hentai OVA and live action JAV adaptations of the source material.
[1] While the main series is notorious for its extreme fetish content,[2] since the release of Action Taimanin the series has also started seeing success as all-ages intellectual property.
The Taimanin are a group of highly skilled ninjas who are tasked with fighting demons and corrupt organizations to maintain peace.
The story is originally centered on Asagi Igawa and her fight to defeat her archenemy Oboro after she kidnaps Asagi's fiancé.