Over the last days of summer, a nephew visits his uncle's house and stays the night. He's long harbored secret feelings for his aunt, Manami, and eagerly anticipates reuniting with her. She remains just as kind and warm as she was in his childhood. Her snow-white skin, perfectly curved waist, and alluring figure stand out beautifully. Her ample breasts sway freely, captivating him so intensely that he catches his breath. Overcome by her sensuality, the nephew gulps in desire. Yet within him swirls a storm of guilt and twisted lust. Though they're close enough to touch, an uneasy tension builds between them. This unbearable tension drives the story deeper into forbidden desire.