Four months have passed since Kenzo moved to the city for college, and though his days are filled with studying and part-time work, he has been eagerly awaiting the day he could reunite with his mother, Kaoru. His wish finally comes true when Kaoru comes to visit during a trip taken by her brother and his wife. The moment they meet at the front door, they passionately kiss, tongues entwining, and quickly fall into each other's arms. Kaoru experiences multiple orgasms from Kenzo's cock, deepening their forbidden bond. But it doesn't end there—gradually, they begin living together completely naked, lost in repeated climaxes. Their intense, taboo relationship transforms into an intimate world belonging only to them.