Mother, the Yui which lives by waiting impatiently for a husband of taking up job leaving his family behind in two people with only son, Takahide. An ill feeling is not delivered to life to spend apart from a husband more than three months, and the body plays with nature and a crotch, and will not do it…. Therefore invited a friend, the Yu Makoto of the son, and let you display the sexual desire that collected to teach a partner of the oneself preference it, and to collect, but only only coveted carnal desires, and were not able to be satisfied. Without the Yui which witnessed a penis of Takahide once being able to finish covering the Koufun to the thing of the Cherry Boy son who grew up magnificently….