Quiet and unassuming girl Nanase has always been shy and easily overlooked. But finally, she meets her long-awaited boyfriend. Their first time together is awkward and tentative, both inexperienced and fumbling through their exploration of each other's bodies. Filled with nervous excitement and innocent hesitation, their clumsy lovemaking unfolds tenderly. Unbeknownst to Nanase and her boyfriend, a group of men are watching their entire encounter from outside the balcony, peering through the gap in the curtains. The men wear satisfied grins as they secretly spy on the couple, their presence still undetected.