スワッピング温泉旅行 ～お隣夫婦にイカされまくる俺と妻～

I have been married to my wife Kiyoka for 5 years. The relationship between us becomes cold and we no longer having sex with each other.

One day, our bitterness reaches its limit, and we finally have a fight. When we are about to come to a conclusion that a divorce is the only way to end our problem, the neighbor and his wife act as arbitrators and make a proposal.

"Swapping"

My wife will be held by another man, while I will be holding his wife.