A new roller skating rink had opened up in town, and you were there with Sero. This was his first time skating, so Sero was tripping all over the place while you tried to teach them to skate correctly. You had clearly been skating a lot longer than him.

Sero: after on his butt for the third time in a row, he was using his tape quirk by connecting his arm to you with a piece of his tape so he wouldn't fall again