Try on the ring

You arrive home later that day having spent the final part of your afternoon sitting in a pub with your partner drinking, chatting and casually flirting. Your partner immediately declares that they need a shower and disappears to the bedroom to get undressed. After a few minutes they emerge naked, showing off teasing you as they pass from the bedroom to the bathroom. Part of you wants to immediately strip off and join them in the shower, but you are still occupied by the ring you bought earlier and instead opt to retrieve the box from your bag and take a look at it.

As soon as you open the box the shimmer of the ring transfixes you again. You watch as the shapes in the black surface twist and morph. In a trance, you slip the ring onto your finger, continuing to admire the swirling, shifting shapes. As soon as the ring passes your second knuckle and fits snugly on your finger you feel warmth emanating from it and suffusing through you. Gradually the warmth dissipates and you emerge from your trance-like state.

Now that your head is clearer you take a look at the box. Nothing on the outside jumps out at you as particularly interesting, just the dents and scrapes you would expect of an old box. However as you look inside you notice elaborate lettering carved on the underside of the lid: "Desire flows and shapes". Odd how you didn't notice it before, although you remember how transfixed you were by the ring each time you saw it.

Further inspection of the box reveals nothing else so you close it and place it upon the dresser. You can still hear the shower running and the occasional snippet of your partner singing away. You remove your trousers and take the opportunity to lay in bed reading your book, but after only a few sentences you have dozed off.

You drift back toward consciousness gradually, and the first thing you notice is a slight pressure on your lower half. This dull sensation gradually becomes more intense and pleasurable. You smile as you realise what is happening and you open your eyes to see the large lump in the blanket over your legs. Lifting the blanket laying on your chest you see...