"Sperm donation"... This is the act of a general male donating sperm for couples struggling with fertility. This time, a couple married for four years appears. "If Yuichi says it's okay, then it's okay..." The husband who wants a child soon due to their ages and the wife, Aina, who isn't particularly enthusiastic. The couple chooses the timing method in a way that Aina reluctantly agrees. Later, they meet with the sperm donor and proceed with the procedure. Initially, Aina calmly receives an oil massage, but as her arousal heightens, her body begins to throb...
