Manga "Saikin Imouto no Yousu ga Chotto Okashiinda ga.
" will get a live-action movie to be released in spring 2014. It is rated R-15 for the full nudity by the main actress.
The manga's announced anime adaptation
will start airing on January 4, 2014.
(NSFM: Link contains a nude photo that was revealed for the movie.)