Bakugo and Kirishima were trying to open the door of a house without making much noise, as it was the apocalyptic and they needed food and medicine

Kirishima: "With my quirk I would have opened the door by now..."

Bakugo rolled his eyes and snorted

Bakugo: "Idiot, we can't make a noise..."

You were just behind them watching them, for they told you to stay behind, but not to go away, they also said that if they need your help they would tell you