Like the title says, I just found a weird-ass series of what seems to be short TF videos called Henka Shoujo. The concept is that the girls in the videos can transform into vehicles ; basically, imagine the Transformers as cute teenage girls. It's strange as fuck to say the least, but I'd be lying if I said I didn't like it; it does have damn good process, and I love weird shit anyway.
There's even an official site dedicated to them though, so I don't know if they plan to release a lot of them, or the ones they have are really teasers for an anime.
The official site:
http://henkeigirls.com/
Episode 1 (Girl into plane):
https://www.youtube.com/watch?v=HhgiiVddR5c
Episode 2 (Girl into car):
https://www.youtube.com/watch?v=MQnOYZ_Glt8
Episode 3 (Girl into mecha):
https://www.youtube.com/watch?v=PHAfhxXZJus