[Chinese]BLK-249 My sister became a gal, Sakaguchi Miho's

Your kind and serious older sister. The sister who has always lived with you suddenly became a complete gal one day after a breakup. Then, the unleashed sister started to openly display her sexual desires towards you and began to assault you, leading to a harsh life of constant sex. ※This work is equipped with a 'flashback system' where memories of your formerly kind sister are inserted as visual cut-ins while being ravaged by your gal sister.