Hirasakahirasaka Hinako ga Ero Kawaii Koto wo Ore Dake ga ShitteiruHirasaka Hinako ga Ero Kawaii koto wo Ore dake ga Shitteiru; Only I Know That Hirasaka Hinako Is Erotically Cute.; 比羅坂日菜子がエロかわいいことを俺だけが知っている; 히라사카 하나코가 야하고 귀여운건 나만이 알고 있다; 比羅坂日菜子色情得很可愛只有我知道
Eight years have passed since they promised the witch to keep loving each other.
A little naughty love story where adolescent childhood friends secretly observe each other.