Unwillingly giving head to get fucked

In a typical day, a guy and his girlfriend were hanging out, and as things usually go, they decided to get intimate. They started off with some light foreplay, and he suggested she give him a blowjob. She wasn't really into it, but she obliged because she knew it was what he wanted. She started off by licking his cock, just the tip at first, then she took it all in her mouth. She wasn't really into it, but she was doing it for him. After a while, she realized that she actually enjoyed giving head, and she started to get into it more. She was sucking and licking his cock, making him feel good. Soon enough, they were both fully engaged in the act, and she was getting fucked hard. Despite her initial reluctance, she found that she actually enjoyed giving head and getting fucked.