A group of Japanese high school girls, dressed in their final school uniforms, gather for a nostalgic photoshoot. Unbeknownst to them, their photographer harbors lustful intentions. As the day progresses, he subtly guides them into increasingly suggestive poses, their young bodies pressed together, uniforms slowly removed. The girls, innocent yet curious, feel their hearts race as his camera lens inches closer to their most intimate parts. The air fills with tension and forbidden desire, culminating in a series of firsts: their first taste of oral pleasure, their first time being filled by a man, and their first creampies, one after another, totaling twelve.