One room of the certain apartment. I come into the master of the neighbor in front of a husband, and the husband embraces a wife in front of me…A certain thing is an opportunity, and will do wife swapping SEX with a neighbor. Is neighboring, and cross; and as for the Sex…Were me who thought so, but when iza began, the Koufun increased strangely, and agony enjoyed itself to male genitals after a long absence, and rolled it up. I who kept on living for a stimulating act. However, it was decided the thing named the Kou from the beginning. The All was a contrived plan!