I’ve had this on my folder for a while, I wanted to upload it as sort of headcanon for their body types. That’s how I see Levi being. Not a petit skinny girlish guy, but large shoulders, ripped guy. And yes, I see Hanji being this slender, long legged woman. Also their height difference is good. Some artists make their height difference waaaay to big, when its just a few inches. So here you go.
You can find the source here.