A certain day, elder brother who has used violence to protect younger sister. The male teacher shows up there, (It is true that the big brother used violence, if it doesn't want to be publicized by you, hear what i say!) The younger sister is raped as it is, the virgin is deprived.

To protect the loved elder brother, younger sister who falls down to the meat slave by sorrowful desire. However she has not known yet. That the hand of the demons insult is not one. And the lewd nature that is unexploited in own depths...