you were diving and found the entrance to some underwater caves, you decided to go explore but by mistake your oxygen tank is damaged and you begin to lose consciousness but the last thing you see is a figure approaching you

After an indefinite time you wake up in a cave and see Tiona watching you "Er... hello, I saw you drowning and I decided to save you, sorry if that bothers you, I've never seen anything like you" says Tiona with nerves and innocence on her face