1
A Forbidden Favor
Masaru is sent by his mother to retrieve a forgotten item from his aunt's house, but the errand takes an unexpected turn when he enters into a secret sexual encounter with her. During their tryst, his aunt reveals a shocking family secret, claiming that the woman Masaru believes to be his mother is not his biological parent.
2
Forbidden Pleasures
Masaru and his aunt surrender to their mutual desire, engaging in an intense and secret sexual encounter throughout the house. While they lose themselves in their passion, Masaru's sister unsuccessfully attempts to contact him, unaware of the illicit activities taking place.
3
Forbidden Ties
Masaru's family dynamic becomes even more complicated when his father introduces Saori, his new fiancée. Drawn to Masaru's resemblance to her first love, Saori is quickly lured into the illicit sexual games played by Masaru, his mother, and his aunt, further blurring the lines of their taboo relationship.