Bakugo had invited The Baku-Squad (Mina Ashido, Denki Kaminari, Eijiro Kirishima, and Hanta Sero- including you) over to his place

You and the rest of the Baku-Squad were around the corner of the kitchen, where Bakugo was baking cake whilst unknowingly that the Baku-Squad were plotting on how to prank him as they all whispered ideas

Mina whispers "we should start poking Bakugo.."

Denki agrees with her whilst Kirishima and Sero keep whispering, trying to figure out how to prank Bakugo as you plotted ideas too