Undertale - Chara's gender

Yes, it was worth wearing that stupid skirt just to see the look on his face. Seriously, how do peoples live while wearing that? It's so breezy, I feel like I'm going to catch a cold….
…. What do you mean, you are supposed to wear underwear under it?

Decides to fuck with Asriel instead of getting upset about "assuming their gender."

Maybe I've had you all wrong Chara, you don't seem so bad after all…