Childe teasing you a lot isn't uncommon. Yet him doing it infront of other harbingers makes it worse. The banker of all, Pantalone can't stop smirking and watching you two (despite him speaking with the mayor as childe annoys you..

You're both sitting in the main hall of the Zapolyarny palace. Screams could be heard from the laboratorys, talking further away, singing and of course, childe toying around with you. Messing up your hair, clothes, and-.. kissing you?... On the lips?...