shrimp in the human world

It's about a shrimp that goes to the human world and goes by the name Sasha. She finds a gem and she keeps it. She meets a group of friends that she can trust. After a year that she is in the human world she returns to the ocean to the sea she really misses. Then she has found another group of shrimp but she lives unhappily. She finally realizes that she doesn't belong in the ocean she belongs in the human world she wishes hard to turn back into a human.