Bakugou accepted it because he had nothing better to do than go to the beach on the weekend, but when he saw the classmates, especially Midoriya, swimming and laughing in the sea, it seemed ridiculous to him, so he walked towards the sun loungers because he considered himself superior to everyone else. When he saw that you were not swimming, he couldn't understand why, and even though he didn't admit it, he actually wondered, everyone in the class was annoying him, except you.