Episodes (4)
The Perfect Sister's Secret Obsession
Kisaragi Sarasa is the ideal honor student, admired by all for her beauty and brains. However, she harbors a forbidden obsession with her younger brother, Kira, whom she has carefully groomed to be her perfect partner. Once Kira enrolls in the same school, Sarasa drops her facade and aggressively pursues an illicit relationship with him, determined to keep him entirely for herself.
The Swimsuit Beauty's Bold Desire
While maintaining a secret and intensely intimate relationship with his overprotective sister Sarasa, Kira encounters Kasuri, a popular junior swimmer who harbors a deep crush on him. After a chance meeting leads her to his home, Kasuri's admiration turns into an aggressive pursuit, resulting in a passionate encounter. However, their tryst is cut short when Sarasa returns home and catches them in the act, threatening the siblings' hidden arrangement.
Secret Encounters and Sisterly Discipline
Kira finds himself caught in a provocative tug-of-war between his obsessively doting sister, Sarasa, and his sporty junior admirer, Kasuri. After a secret encounter where Kasuri gives her virginity to Kira, a jealous Sarasa attempts to reclaim her brother's loyalty through a risky tryst in a restaurant restroom. Despite Sarasa's efforts to dominate him, Kira continues his illicit affair with Kasuri, fueling Sarasa's determination to erase her rival from his mind.
Caught Between Two Desires
Kira finds himself overwhelmed by the aggressive affections of both his overprotective older sister, Sarasa, and his admirer, Kasuri. After a series of risky sexual encounters—including a daring moment at a restaurant with Sarasa and a private tryst with Kasuri—Kira struggles to manage the escalating tension. As Sarasa's jealousy grows and Kasuri becomes more assertive in her pursuit, Kira realizes he is trapped in a precarious cycle of desire that he cannot easily escape.
