Proof of Loyalty (NC-17; Lucius/Severus; 100 words)
It was pure serendipity that Lucius had an Amortentia-laced sweet with him when Severus admitted after the meeting, "That . . . left a bad taste in my mouth."
Lucius popped the sweet into his mouth and pulled Severus towards him; it melted over their tongues, and soon, Severus was moaning against him. Lucius turned him roughly into the wall.
"Do you want me, Severus?"
"N—no, I've never—please!"
Lucius banished their clothing and pressed his cock against Severus' arse. "But do you deserve me, as squeamish as you are? Are you loyal?"
Murmuring another charm, Lucius thrust himself home. "Then prove it."