“Oh, bugger me,” I whispered as I picked it up-a pair of Dawn’s knickers! I sat on the toilet and stared at them. They were plain white with a little lace edging. The water running in the shower was hot enough to create steam now, but I ignored it, turning her knickers inside out and touching the gusset. They still felt damp! I looked around, as if someone could possibly see me, and lifted them to my nose.

Oh my God-that was the smell of my sister’s cunt! My cock jumped in response, and I remembered in living, vivid colour the sight and sound and smell of my sister finger-fucking herself on the table downstairs. With that image, coupled with the wet, pungent knickers against my nose, my cock went into a full betrayal and tented my boxers. A knock on the door made me jump and I nearly screamed like a girl.

“David!” It was Dawn. I threw her knickers on the floor like they were on fire.

“What?”

“Hurry up in there, ya git!”

“Naff off!” I hoped my voice wasn’t trembling as much as the rest of me. I got into the shower and finished as quickly as I could, not because of Dawn’s insistence but because I wanted to get out of the house. Dad was at the table reading the paper.

He looked up when I skidded into the kitchen, heading for the Weetabix. “I set aside the jobs section for you, Davey.” He tapped the folded up paper next to him.

“Ta,” I said through a mouthful. I was eating them out of the box.

“A spoon and bowl?” Mum put them in front of me, giving me a look.

“Ta,” I said again, pouring them in. Mum handed me the milk and I splashed some on, sitting across from Dad and shovelling cereal in as fast as I could, hoping to be done before Dawn came down.

Mum sat back down at the table next to Dad, folding her serviette in her lap and eating her toast. She always sat with her leg curled under her like that, and it occurred to me that Dawn often did, too.