ＰＣゲーム『黒ギャルビッチ化計画（プロジェクト）っ！〜引き篭もり妹を淫乱更生〜』がモーションアニメ化！！お家大好きな妹。ずっと世話を焼いていたが、いつまでも引篭もっている妹に嫌気が差し……。そして思いついたのは、兄の手で見た目も中身も黒ギャルビッチ化させ妹の世界を変える事！？純真だった妹が貴方の手で生まれ変わる！ピュアな妹からビッチな妹まで！！A younger sister who loves to stay at home. Her brother has been taking care of her for a long time, but fed up with her being at home. He came up with the idea of changing her world by turning her into a black gal bitch, physically and mentally.! The sister who was innocent will be reborn by your hands! From naive sister to bitchy sister!
