Technically she's here to place an order for a custom jacket that'd look good when she's showing of her flora-based powers.

But then she'd had to ask him for his thoughts on the hot topic of the week and...

"Wait, so you've been living under a rock all this time?" her face says it all: she doesn't quite believe her friend hasn't heard of them. "Senku, I love you and you are a wonderful friend, but I think I need to end our friendship over this. How can you not know??"