~Her G-cup breasts have grown enormously... "I'm happy to be messed up by older men" - A middle-aged cock-obsessed schoolgirl~ Yuka, a schoolgirl attending a school in Tokyo, lives alone with her salaryman father. Yuka is quiet and a model student, but she has a vivid imagination, and every day she fantasizes about being dominated by older men and indulges in self-gratification. Then one day, a neighbor, Oshima, comes over with the neighborhood bulletin board and...