Three times Kurt finds a sticker on his butt after having sex...
…and that one time he gets an explanation.
Filling a prompt.
“Oh… oh my God…”
Kurt’s tone is breathless, and he hears Blaine chuckle. A soft kiss is placed on his lower back before Blaine falls onto the mattress next to him and turns his head so that they’re eye to eye. Kurt smiles, tired, happy, satisfied.
“That was rather amazing,” Blaine concludes with a grin.
“That it was,” Kurt agrees.
“You almost came from just…”
“Like you said. Amazing,” Kurt interrupts Blaine. “I really needed that.”