La soeur d'Adeline

Plot
Adeline is desperate! Her little sister Carolina, who is still just a baby, is suffering from a strange disease. As the days go by, her skin turns green. Chumash, the aquatic filly, hears Adeline's distress and offers to help. Together, they go on an extraordinary underwater quest!

Characters

 * Adeline
 * Carolina
 * Chumash