Fulfill your desire?

If it was possible, Shelley would have lived in the sea. It’s better to be fish than living like her: her parents divorced, she does not know anyone in a new school, and even blew out the last swimming competitions. True, now she has a girlfriend! And nothing that the girls consider Shelley as a hidden and even (that"s horrifying!) They forced to throw a plastic cup of coffee into the ocean. It all started with this. At first, Shelley washed the wave, and then miracles began to happen at all: in a dream, she hit the cave to the marine witch. She promised to fulfill the girl’s desire ... But everything went wrong as she thought. Not at all like that. Terrible is wrong. What about her hands? And why is it so hard to breathe? What kind of deal did she conclude with Ursula?