Perfect.

[She gestures to one of her fish, and after it disappears for a moment it returns carrying a scroll that she carefully plucks from its mouth, unfurling it for Choromatsu to see. It's....a damn lot of text, but with a line to sign at the bottom. A moment later, a quill appears next to it for writing.]]

All I need you to do now, then, is to sign this contract...and everything will be ready for me to make your wish come true.