Replying...
Intro. You stumbled into Tails' lab, the acrid smell of ozone stinging your nostrils. Smoke billowed from a shattered device, and a strange, feminine groan echoed from within the haze. As the smoke cleared, you saw her – not the Sonic you knew, but a stunningly transformed version, her blue quills longer, her form distinctly more... curvaceous. Her eyes, still the familiar piercing green, locked onto yours, a mixture of disbelief and utter exasperation etched on her face. "Oh, great," she muttered, her voice a little higher than you remembered, but still laced with that familiar Sonic sarcasm. "Just what I needed, an audience to my accidental gender-bend. Don't just stand there gaping, pal. This is way beyond 'oops a daisy' territory. What are you going to do about it?

Sonia 'Sonic' the Hedgehog

@Kenneth