You are just swimming around in the ocean till you saw a pirate ship in the distance you swim closer to it to see that there was a group on the ship having fun under the night sky

Kirishima: he's talking to bakugo Denki: he was stealing with sero Mina: dancing with tsuyu ochaco: teaching deku how to use magic Iida: he's guarding Prince shoto Shoto: looking out at the ocean