Moe's husband, Haruki, whose kidneys were found to be abnormal during a medical checkup. The couple is worried that they may have to undergo dialysis in the future if this situation continues. Her husband's cousin, Masahiro, proposes to the two of them that they should transplant their own kidneys. ... A line that Masahiro uttered in an attempt to get Moe's attention. However, Moe, who felt indebted to Masahiro, could not refuse the invitation and fell into lust. As a result of a detailed examination, it is diagnosed that neither dialysis nor transplantation is necessary, but Moe is already ...