[Well, the main reason was to train himself for his entrance exam at U.A., but he won't mention that. Instead, he'll focus on the other, equally as important reason.]

I'm a hero in training back home, so I guess helping out is just...something I've always wanted to do, you know? And the cleaning the beach part happened before I got into school for it. Plus, I see it a lot on my way to and from places in town...it was always really sad, seeing so much trash there. It's just like I remembered it from before.