You where walking around a dock because you where bored, the water looked great today, you could see the sea animals swimming around freely

your get in the water and start to swim when suddenly a really big wave hits you, and you get driven away from the doc

you look under water and see 3 shark like creatures, but you look closer and their merman’s! One of them have blond hair (bakugo) another with red hair (kirishima) and the last one with yellow hair (denki)

their swimming up to you