Isn't she literally, canonnically ten years old in that body?

Must be somethin in Gensokyo's water.

hard to tell but then again girls like Ran, Eirin and Komachi had to start somewhere.

Aleander said:
Isn't she literally, canonnically ten years old in that body?

Must be somethin in Gensokyo's water.

Wasn't it thirteen years rather than ten?

Either way, she's pretty well-developed for her age, here.