Youthfull sister gobbles her brother's nut sack and wanks his boner to help him spunk

The young sister with blond hair is very nice to her brother and quite often communicates with him on various topics. And today, when her brother told her that he had not had sex for a long time and that his testicles were hurting, she agreed to help him. Her sister stripped naked for greater effect, and then she got busy with her erect penis, emptying her testicles of sperm.