Watashi ga Aishita Shokushu-sama [2010] [Cen] [VN] [JAP] H-Game
Description: Our hero woke up one morning and found that he had turned into a monster with tentacles. His parents did not recognize him and tried to get rid of the monster, but his two sisters recognized something native in this monster.Realizing that "this" is now their brother, the girls hid it away from their parents, and indeed all other inquisitive eyes.Now the guy lives with two sisters together, and enjoys sex with them every day.