Twelve volumes have been published by Kadokawa Shoten since under their Kadokawa Sneaker Bunko imprint. A second manga adaptation has been serialized in Hakusensha 's Young Animal Arashi magazine since February The first season of an anime television adaptation premiered on January 7, A second OVA episode was released on January 26, Basara Tojo is a high school student studying at Hijirigasaka Academy when his father Jin suddenly gets "remarried" and asks Basara if he wants to have sisters. Basara meets his two cute stepsisters, Mio Naruse and Maria Naruse.