As conversations between husband and wife dwindled day by day, Hisae found herself growing increasingly depressed. Her husband was consumed by work, the distance between them widening, leaving her enveloped in loneliness. Watching her closely from the neighboring apartment, Sugaura listened intently to fragments of her conversations and observed her behavior, waiting for the perfect moment to reach into her heart. Beneath the surface of an otherwise quiet daily life, hidden emotions began to stir.