Temporary Girlfriend: An M2F Tale

When Joe gets a big dose of an experimental hormone, he goes from being a scrawny guy to a stacked bombshell named Jo! But what's she going to do with her new body? Will she allow her scientist friend to do a deep investigation of her sexy new physique, or will she surprise her hot best friend with her full, heaving breasts? The effects won't last long, so how can she decide?