Edit: ...ah, I didn't notice the prostitution tag so I'm a bit loss at what they mean there. I guess I should've noticed when they say "something important" but my image of Shion is too pure for that.
I feel RoamingRevenant had stated what is the text written behind Shion is...
Hey, Nee-san.And what is this about an option?A god and her divine anticipation isn't something to laugh about...I guess, but you shouldn't sell something that important?