Fucking my stepsister while she is enthusiastically playing on her smartphone

I went into my stepsister's room and saw that she was lying on the bed and playing with her smartphone. I wanted to have fun with her while she didn't pay attention to me. I took off her panties and started touching her ass and her pussy. She really likes it, but she continued playing on the phone. Then I started fucking her lying on her stomach. At that moment she turned her attention to me and began to moan loudly. Then I put her in doggy style and continued fucking her. It felt so good that I came on her ass.