Charlie began to thrash as his clothes were removed via magic and his belly began to burn, scalding hot. In a matter of seconds, his flat tummy grew as if he'd eaten a bit too much. That alone showed that Harry's fetus form had attached successfully and was gaining nutrients from his unwilling incubator. The duration of "pregnancy" was undetermined, but Charlie didn't give a rats ass right now. He had more pressing concerns as he felt the behemoth cock grinding against his tailbone.