Not explicitly dark, but the implications certainly are.

The machine was as ready as it could be. Now all that was needed was a live test.

Finding a good test subject wasn't hard, but finding a great one took some effort. With something like this, there was no reason to settle for anything less than ideal and ideal soon walked into view.

She strutted past the store wearing a very cute outfit, somehow both casual and sexy all at the same time. It takes real effort to both not look overdressed and still turn heads, but she was pulling it off effortlessly. Most importantly, though, it showed off her incredible body. Those legs were sublime and that tight stomach showed how seriously she took her own fitness. She would be perfect for this.

She walked into a shop and no one ever saw her leave.

Miles, despite his lack of a smile, was clearly enjoying his new body. The machine had worked perfectly and he seemed to relish in walking around with his new body. He looked at the man who had done this to him, the man who had grafted his head onto that woman's body, and gave a slight smile.

He'd never be able to thank him fully for this new body. It was a start, though.