After seven years away, former office worker Ao returns to her rural hometown to help run her parents' diner. She's barely settled in when she reunites with Aki, her childhood friend who now works there—his cool demeanor and grown-up good looks catch her off guard. One night over drinks, their nostalgic chat takes an unexpected turn as Aki's gaze grows intense, leading to a kiss that feels far from innocent. Is this just a fleeting moment, or the start of something deeper?