Крихітна зведена сестра Мейзі просить свого зведеного брата Джошуа про допомогу з її проектом людських оргазмів

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!