Why not grilled lamprey instead? Mystia can blind Reimu and then Yukari can play out her rape fantasies all night.
But Yukari, you've already got the most expensive thing I have.
My heart and I gave it to you for free.
Whores! The Hakurei miko sleeps with her boss! What a scoop!
Reimu is priced less. So no, she's worth 50c.