Surf's up for her

...his sister Zoe. Without thinking he raced out of his room and next door to hers. He skidded to a halt seeing why she'd screamed. Standing in the middle of the room was his sister's head atop the tanned body of a surfer...a *male* surfer. Zoe looked at him and screamed again, shocked by his new appearance. Taken aback, he looked down and realised he was still only wearing the shorts he normally slept in. Blushing, he quickly tried to cover his tits with his arms, but considering the size of them, didn't feel like he was entirely successful. Before either could say anything, they heard a voice from the hall. "What's going on? Why are you screaming?" it asked. They turned to see...