English Oni Chichi 2 Revenge 02 | 鬼父2-REVENGE- 「卑されおかっぱお袴ッ娘倍返し」

The story continues as the "devil papa" has his way with the girls; this time being Natsume and Akira. However, the father revealed to Akira that someone had seen them and threatened to expose their incestuous secret if they do not comply to his demands. In order to keep the family together, the perpetrator blackmails the father and the girls via email to carry out his sexual fantasies. Who is this mysterious pervert? Will the girls be unable to unravel the mystery? Or, is nothing what it seems to be?