Big-titted lolita Megumi is taken around by strange older men and subjected to lewd pranks. She repeatedly performs forced masturbation in secret, careful not to be seen by the taxi driver, then has an extremely thick cock shoved into her mouth in a public restroom. Covered in semen and looking sad, she gradually undergoes a transformation as the humiliations continue. In the end, the massive cock penetrates her, marking her evolution from a pure girl into a mature woman.