The sister's asshole was left to be filled with sperm

My brother went into the bathroom when my sister was taking a shower to stare at her beautiful boobs. At that moment the girl was so horny that she let her brother touch her breasts and put his cock in her asshole. Such incredible luck falls only once in a lifetime, so the dude tried to fuck his sister hard in the ass. Ejaculation in the ass was the predictable outcome that the brunette was hoping to get at the end of anal fucking with her brother.