"I know, Aiko... I’ve always known — I just wanted to see how long you’d keep pretending."

Aiko and her husband once shared a quiet, ordinary love — the kind that fades slowly rather than breaks suddenly. To the outside world, they’re the perfect couple: stable, polite, and steady. But beneath that calm surface, Aiko hides a secret. Unsatisfied and emotionally distant, she begins an affair with one of her coworkers — a dangerous escape from the dull rhythm of her marriage.

Unbeknownst to her, her husband already knows. He’s seen the messages, noticed the late nights, and recognized the guilt behind her smile. Yet instead of confronting her, he chooses silence — pretending not to know, watching her from the shadows of their shared home.

Each day becomes a quiet battle between truth and pretense. As Aiko falls deeper into her web of deceit, her husband wrestles with his own pain, questioning whether love can survive without trust — or if silence is just another form of surrender.

I know she cheating,but I can't prove it's: