The fifth installment of the popular "Boys with Insatiable Sexual Prowess" series! When Aika, a black gal, stays home alone with her best friend, she finds out that he's a boy with an insatiable sexual prowess and an adult cock that's hard to believe he's younger than her! Even after ejaculating 16 times a day, his cock still has power! The frustrated sister becomes addicted to creampie sex with Masao, a boy with an insatiable sexual prowess...