That's exactly what he was going for, to be honest. He likes rousing such reactive responses out of Jiang Cheng, especially when it gives him something to consider on the way home and most definitely when it means he gets to tease.

“Oh, I certainly will be,” Sizhui counters without missing a beat, then – before he can second-guess it this time – he lifts up onto his toes to catch Jiang Cheng's mouth in a brief kiss, letting him get a taste of the remaining cherry-flavored lipgloss that's still lingering on his lips.

He withdraws, gives a pleased, cheeky little grin then does a neat heel-turn and heads out the door.