By the time you figure out the rules I broke

"It's as Lan-xiong said. Improper conduct," Huaisang says evenly. "Unbecoming of a guest disciple of the Gusu Lan Sect."

He glances toward Jiang Cheng and Lan Wangji in turn.

Given the sheer amount of sect rules and the varied antics they'd gotten into when Wei Wuxian had attended with them, that could be any number of things. The less they speak about specifics, the more they can obfuscate the matter and reduce the risk of Jiang Cheng's family learning about anything.

"I... I'm here to accept whatever punishment is necessary."

The sooner this goes away, the better for everyone involved, especially Jiang Cheng.