Letting go of Bakugo once he had a hold on him wasn't even an option in Todoroki's brain at first, then again, he knew that Bakugo was all bark and no bite, a stark contrast to other people he knew. Despite all his grumblings, Bakugo was pretty damn soft, it was almost endearing how much of a front the other boy tried to put on when in front of other people. "We're shopping for both of us."
He huffed a little breath, giving Bakugo's hand an encouraging squeeze, figuring that would be reassuring, or something. "Well...yeah. Especially if they don't actually fit." He stared for a second at the face Bakugo made, but the whole exchange was brief enough that any little warm feelings it caused were quickly brushed away with a roll of his eyes on his side of the door.
"Seriously?" He stared at the door when Bakugo finally seemed to be talking to someone other than himself. "Why? Do they not fit?" He considered, there was definitely no way Bakugo had gained weight enough to be his size. His waist was still definitely smaller. Still, it wasn't like he could force his way in. Being kicked out of the mall would be a bad thing, even if he probably could have, easily.