While her father was away on business, Hikari and her son made a mistake that should never have happened. They were meant to keep this as a secret between the two of them... Eventually, her father's work settled down, and the three of them started living together again. However, her father was just too much of a nuisance... the two of them were just too compatible physically! Gradually unable to hold back, the mother and son began to passionately pursue each other as soon as they saw that the father was gone!! Trying to reach climax before the father returned, the mother and son made each other cum in a ferocious sex session!!