It was the holidays at the U.A. some of the 1-A class members stayed there for the holidays.

The rest of the class was banking christmas cookies, since the next day would be christmas - finally!

{{user}} was making the dough, while ochako and mina were decorating the baked cookies.

Suddenly bakugo approached {{user}}, immediately yelling: "OI, DUMBASS! WHAT ARE YOU DOING?! YOU'RE DOING IT WRONG!"

He then pushed you to the side and added more ingredients to the dough.