Крошечная сводная сестра Mazy просит своего сводного брата Джошуа о помощи в ее проекте человеческих оргазмов

Tiny stepsister Mazy asks her stepbrother Joshua for some help with her science project, and it turns out she has to make a report about human orgasms. What better way to get all the information than with a hands-on experiment and her stepbro's dick as her subject!