15 years of marriage. One day, his wife, Kyoko, was lonely because she thought there was nothing she needed by her husband, and one day she was alone with Mukai, a young patronized electrician. Then Mukai said that she liked Kyoko and hugged her and kissed her. Kyoko's resistance eases as she is being asked to be a woman. And when will it be the first time...When she accepts a man's cock and another man's cock, Kyoko convulses and reaches orgasm, without waiting for the thrust.