START-267 My sister became a single mother and returned to her parents' home, where she gave birth to her virginity to her brother, who gave her his first experience.

START-267 My sister became a single mother and returned to her parents' home, where she gave birth to her virginity to her brother, who gave her his first experience.

田舎の出戻りした加奈子は元トップアイドルだった。シンママとなり定年退職した父と無職の兄と生活をする。兄とは10代の頃加奈子と肉体関係にあった。10年ぶりに再会するもまたしてもかつてのように兄の性の対象になってしまう…。