On her 5th wedding anniversary, Ai goes to a hot spring inn with her husband... along with her affair partner. A husband who does not notice such a situation, Ai who is violently excited by such a situation. In the room along the wall, in the open-air mixed bathing hot spring, and furthermore, by the side of the sleeping husband, the love that is demanded from the adultery partner. In addition, Ai forced her husband, who wanted a child, to cum inside her.