I made a meme for this exact scenario.

Is this still open and available? I would love to join but the link is expired

Buuuuut if you'd rather use something more concrete, her League of Legends game self is 100% in her mid-late 20s

She doesn't have a 100% locked in age, but she should be somewhere between 18-19 by the "adult era" of the show according to the folks who worked on it

I will join the Milking Train with Jinx from Arcane!