I originally planned to go into my brother's room and seduce him, then call him for dinner. But as soon as I entered, he was waiting ...

I originally planned to go into my brother's room and seduce him, then call him for dinner. But as soon as I entered, he was waiting for me completely naked at the door. He didn't even let me get on the bed; we just started having sex right there at the door. Sometimes doing it standing up is really exciting!