It was the anime adaptation, however, that solidified the series' legendary status. Animated by the studio PoRO, it first premiered as an Original Video Animation (OVA) on October 30, 2009. Unlike a TV series, an OVA is released directly to home video, allowing for the explicit content that defines the adult anime genre.
: From intense thrillers and drama to lighthearted lifestyle series, the "top" lists in entertainment are characterized by their ability to cater to diverse adult audiences through various themes and genres. Lifestyle and the Digital Watch Experience
Oni Chichi (TV Mini Series 2009–2010) - Parents guide - IMDb
(also referred to as Atsuki in some versions), and his relationship with his two stepdaughters,