7. tudorpot prompted me with Hermione/Blaise: bubbles.
An Intriguing Proposal (G; Hermione/Blaise; 100 words)
The bubbles floated out of the tub, growing larger and glowing.
"Pop one," Blaise suggested to Hermione, enjoying the light in her eyes and grinning at her exclamation when his present fell out of the burst bubble and into her hands.
"How did you do that?"
"I'll tell you after you've opened you gift."
He held his breath. What if she didn't like it?
"Oh, Blaise, this is beautiful!"
Exhaling in relief, he whispered, "Allow me," and took the ring from her to slip it on the appropriate finger. "Would you do me the honour of becoming my wife?"