The companion child of the second wife, the woman that 21 years old merely matured now. The father-in-law came to be conscious as a woman, too. On the other hand, two people whom the Yui sympathizes with a father-in-law treated coolly by a second wife, and Kokoro knows somehow. One day the Yui which is seen in a father-in-law in Masturbation. While there is a boyfriend, be charmed by a father-in-law, and permit a body at last. Two people love through the obstacle of the second wife and nephew kid.
