Metal.
The depicted character is 18+ years of age.
This is not a scene that respects canon.
Full HD version over here. Also that's where you can support me and see a few alternate versions of other images!
https://www.patreon.com/posts/robo-sonk-16847577
https://patreon.com/snao
Link
opius
OOF. Them subtle curves though? this is a hot bot.
Also, mecha is the best metal sonic iteration, just saying.