Incredible story! I absolutely loved all the double-entendre. The characterization of Ginny was first rate and, while Harry was slightly OOC, it worked perfectly.
I think he's going to need to practice a bit more though, after all the parchment did dilligent practice was needed and with a wide variety of Witches. And who better to study with than Hermione, though a lesson with the Patil twins has some interesting possibilities as well.
Author's response
Thanks! Personally I have no ideas how to bring Patil twins into the story. Although I must say that some sisterly bondage...eh...bonding could be interesting.