First, Your Heart (Then, Your Valuables) - Ratiorine / Aventio

Aventurine hums. "Calling you 'detective' seems a little too plain. How about..."

The phantom thief chuckles under his breath before slowly holding one hand out. Against Veritas's better judgment, he puts his hand in his. Gloved fingers clasp around him gently, giving him ample time and opportunity to pull back.

He doesn't. Instead, he thinks about how the fabric is so thin that he can feel a bit of warmth through them. Instead, he thinks about how those fingers are a little smaller than his, slender with a delicate touch. Instead, he thinks about the way Aventurine lifts his hand up to his face and presses it to his mask. Veritas's knuckles brush over right where his lips would've been.

"My darling detective..."

Or: Detective Veritas Ratio is assigned to Phantom Thief Aventurine's case. It turns out he has a penchant for stealing more than just expensive goods.