Brother fucks his young sister while she talks to her boyfriend on the phone

The brother seduced his young sister into having sex before she met her boyfriend. He started flirting with her, then kissed her gently, and then pulled off her panties and started passionately kissing her pussy. He went down on her, then took out his cock and his sister gave him a blowjob. After that, the brother put his sister in the missionary position and started fucking her. Suddenly, her boyfriend called her. But the girl didn't want to stop her brother and started talking to her boyfriend while her brother was fucking her.