She has been married for 10 years because she has five years of marriage. Now it's not more than a year to work in a separate bed. It is BBQ with the UCHIMURA couple who lives in the same apartment. We both had trouble with sex. In the middle of the BBQ, Mr. UCHIMURA thinks of the exchange couple and exchanges husband and wife for only one day. It is an exchange couple who started to stir the jealousy of each other, but it is not thought that rinshi is deprived.