take your sister to the "play room"

As you get ready to take her downstairs, you realize just how sexy she is. A short mousy girl, she's just wearing a t-shirt and panties that she slept in. Her breasts reminded you of all the times you had a hard time looking at her face while talking to her. She was no stick figure, but despite her self-consciousness she wasn't anywhere close to fat. You realize just how light she feels with your new strength.

Down in the basement, your shocked to find just how extensively your parents had remodeled in a relatively short time. Granted it'd been a while since you'd been down here, but still. There are bdsm contraptions all over the place. All manner of toys line the walls, and there are chests stocked with who knows what.

You feel your hunger even more strongly now and decide to get started. After stripping her down you try to decide where to start...