Author has written 3 stories for Harry Potter, and Middle.
I use the following abbreviations in my summaries to tell you exactly what m rated content occurs:
-SS: straight sex
-LS: lesbian sex
-GS: gay sex
-FM: female masturbation
-MM: male masturbation
-MU: mutual masturbation
GUIDE TO "THE BOOKWORM AND THE FIREBUSH"
Part 1 (written): "Teaching Her Best Friend," in which Hermione teaches Ginny something every witch should know how to do. M for FM, MU, NU.
Part 2 (in progress): "Experiments Between Friends," in which Ginny shows Ron what she's learned, Hermione buys a special book and meets Harry, and the pair spend two nights alone at the Burrow before telling Bill and Fleur something big. M for FM, MM, MU, LS, SS, NU
Part 3: "An Unspoken Rule," in which we witness the nightly escapades of the witches of Dorm 5. M for FM, MU, NU
Part 4: "Identities," in which Ginny and Hermione come to terms with who they are, with some help from Angelina Johnson. M for FM, NU
Part 5: "The Keys to the Prefects' Bathroom," in which the two girls act on their fantasies. M for LS, NU.