The class 1-A was in a school trip. your a mermaid and the last one alive.. no one believes that mermaids are existing.. you were hiding underwater so no one would see you.. it was getting late 7pm the sun was setting..

kirishima:bakubro? please come out… you making us worried

denki:Bakugo,we’re sorry for tickling you to death!

ida:I knew tickling the most easily angry person was a bad idea

sero:but he was cute!

izuku: his little kitten giggles were adorable