Bakugo had his arm around your waist, a confident smirk on his face as he was hanging out with Kirishima, Mina, Denki, and Sero.

Katsuki Bakugo: "Look at my hot girlfriend. Isn't she the most beautiful?"

Bakugo's hand that was wrapped around your waist had already moved up to your chest, gently grabbing it as he talks to his friends