My Fiancée’s Secret – Hidden Desires with My Best Friend

Synopsis

A twenty-year friendship between three childhood friends who grew up together.

Sonosaki Kazuha and Higuchi Tsukuyo, the only girl in their group, eventually began dating. Now as adults, they are happily engaged. Tsukuyo confessed her feelings first, and with encouragement from their friend Konoe Seiki, the trio’s bond remained unbroken. Their days were filled with joy—drinking and laughing with Seiki during the day, then returning home where Kazuha and Tsukuyo would make love at night.

One fateful day, Kazuha borrows Tsukuyo’s laptop and discovers a shocking video: explicit footage of Tsukuyo and Seiki together. Devastated by what he believes is infidelity, Kazuha confronts her. But Tsukuyo’s response shatters his world: “It’s not cheating. That was before we even started dating.”

As the truth unravels, the hidden intimacy between Tsukuyo and Seiki comes to light. The twenty-year friendship begins to crumble. What started as a perfect life descends into a tangled mess of desire, betrayal, and misunderstanding.