Ema (pseudonym), a 32-year-old resident of Tokyo, is a sad woman who plays the role of a wife who is well-received by those around her. - Her true nature is a vulgar and obscene sex-crazy sow... - Why did she become like this? - She moans like a pig and mouths the aphrodisiac like crazy. - A whirlpool of pleasure that you can never escape. - A daytime encounter that the family doesn't know about. - I feel a sense of immorality as I fall...