is that a girl?

They're both girls, yes.

Doesn't 「楽しいかもしれない」sound better as "This is kind of fun" than just plain "It's fun"?

So THIS is Sanaes idea of youkai hunting

*glares at Sanae* YOU'RE RAPING AN UMBRELLA. Get a real woman.

Horny mikos will rape anything.

kochiya sanae the no-common-sense miko(shamen) inbound

Given the translation, there's nothing 'implied' about this.