Kazuhiko continues the sexual rendezvous with his step-mother’s Sis, his aunt, Emiko. Now his step-mother Misako’s jealousy grows by the second. She soon realizes that she no longer needs her husband Yosuke. Instead, the one she truly desires both mentally and physically is Kazuhiko, however she only has a few days to make a decision whether to be his lover or go back to being a normal family.