Fic: The Little Ninja Who Could

Title: The Little Ninja Who Could
Rating: NC-17
Warnings: Sex, cock-teasing, magic rulers
Summary: Fai never quite looks disheveled enough for Kurogane's liking.

Deanon from Clampkink.  Prompt: Fai/Kuro in which Fai has a bigger dick than Kurogane.

( "Just let the magic work, Kuro-meager...) )