I don't add it to the "No Experience with Men" pool, 'cause I don't understand what they're saying.

I think Chen is asking Yukari bout' (S*X) and she is all flustered due to it.
Yukari has a lot of experience with men

TouhouLunatic said:

I think Chen is asking Yukari bout' (S*X) and she is all flustered due to it.
Yukari has a lot of experience with men

Well, there's one little problem that we didn't think about: she's seventeen. If she has experience with men... I think that should be illegal. Unless...