Hermione was totally unprepared for how intense the feeling would be as she came with Luna's lips wrapped around her. Sheathed in her warm, wet, heavenly mouth, Hermione nearly slipped to the floor as she came and came and felt like she might never stop.
She groaned and whimpered as she tried to come down; process made harder by Luna's insistent lips and tongue. Finally, she started to calm down a little.
Struggle to steady herself against the wall. "Oh, Luna," she moaned with a little chuckle. "I don't think you even know how good that felt..."