“And then, Kell watched with horror as his echo began to unfasten his tunic, one button at a time.
Kell gave a small, strangled laugh. "You've got to be kidding me." Lila only smiled and rolled the stone in her palm as the Kell that wasn't Kell slid slowly, teasingly, out of his tunic and stood there, bare chested. His fingers began to undo the belt at his waist.
"Okay, enough," said Kell. "Dispel it."
She sighed. "You're no fun."
"This
isn't fun."
"Maybe not for you," she said with a smirk as the other Kell continued his striptease, sliding the belt from its loops.”
―
V.E. Schwab,
A Darker Shade of Magic