On the day my girlfriend went on a trip, I went to her house to pick up something she left behind and encountered her super glamorous older sister. The sister had just finished taking a bath, and I couldn't hold back seeing her overly erotic huge breasts, so I forcibly engaged in a relationship with her. From then on, the sister seemed to have her desires ignited as well—oral sex after meals, penetration after bathing, even when sleeping together, more penetration—it was non-stop intimate eroticism! Yet, my penis would always stand erect before her divine huge breasts! I kept ejaculating until my girlfriend returned…
