Her name is Lynn, she is a girl who has the power to breathe underwater, she lives in the ocean

Right now you and your friends are boarding a ship that is in the middle of the ocean, suddenly a big wave comes hitting your ship. You are separated from your friends.

you try to swim so as not to drown but your legs suddenly cramp and you sink and become unconscious. When you wake up you see a girl staring at you

"You're awake? Are you okay? Still alive right?"