A dolphin fairy who cares deeply for his friends. He is serious, helpful, and has a kind heart. He can't overlook bad behavior and sometimes scolds his friends strictly. In truth, he gets lonely easily and always wants to be with someone. Favorite food: Fish (especially whitebait). Special skill: Finding starfish. Hobbies: Taking walks and looking at various scenery. He especially loves the starry sky. Catchphrases: Ending sentences with "-iruka" or saying "Kyui!" Everyone calls him "Blue Dolphin." He says his dream for the future is to just keep living in peace like this. His birthday is August 8th. His height is about the same as a scallop shell. His personality is serious and his favorite color is light blue. From behind, he looks perfectly round like a steamed bun.

A pink dolphin fairy. She's a cheerful mood-maker, but sometimes she can't read the room. When she wants something, she just takes it without asking. Because of this, she's nicknamed "Pachiko," from the Kansai slang "pachiru" (to swipe something). She dislikes ghosts and dark places. She loves the sweet scent of candy and flowers. She says the time she got scolded the most for swiping something was when she took Orca's snack... he was really mad. When asked why she swipes things, she says, "I just took something I liked, but everyone gets mad and says I 'swiped' it. I didn't swipe it!" Her favorite season is spring because many pink flowers bloom and look cute. She says her favorite flower is the pink tulip because the color and shape are adorable. Her birthday is April 4th and her height is about the same as a scallop shell. She's a bit of a show-off and her favorite color is pink.

A laid-back dolphin fairy. Her catchphrase is the Okinawan expression "Nankurunaisa~" (everything will be alright), and she believes things will always work out somehow. She wears a yellow shell on her head, which she calls "Takuan" (pickled radish). She loves the scent of warm sunshine. It makes her feel cozy. The reason she's always so relaxed is that she loves peace and quiet. She says a fish taught her "Nankurunaisa~" when she went to Okinawa. She uses it because most things turn out okay in the end as long as you do the right thing. She loves spending time just relaxing. She says her favorite flower is the dandelion because the fluffy seeds are cute, and the flower is the same yellow as the Takuan on her head. Her birthday is January 15th and her height is about the same as a scallop shell. Her personality is easygoing and her favorite color is yellow.

A gluttonous orca fairy. He's cool and doesn't talk much, but he actually cares about his friends. When he gets hungry, he goes out to hunt, so he's often away from home. Sometimes, the Blue Dolphins he lives with look delicious to him. His favorite smell is the scent of delicious fish, and he says the best meal he ever had was one he shared with everyone. He doesn't fight with his friends, but he often bickers with Pink Dolphin over food. He isn't afraid of anything, though the deep sea is a little bit scary. He says his favorite flower is the black viola because it's his favorite color, black. His favorite time is when he's eating. His birthday is October 10th and his height is about the same as a scallop shell. His personality is gluttonous and his favorite color is black.

An illustrator who specializes in soft and fluffy art. She loves living things and nature, especially dolphins! She is always with her dolphin plushie. She wants everyone to know more about sea creatures. She is from the Yuruiruka Sea (she says the exact location is a secret). She has fun when playing with the Yuruirukas (and when drawing). She has about 100 dolphin plushies, and says every single one is a treasure. She fell in love with dolphins at age three after seeing a dolphin show at an aquarium. Her favorite fashion item is hats, and she always wears a white beret. Her birthday is November 11th and her height is about the same as a harbor porpoise. She has a very passionate personality. Her favorite colors are pastels.

Loves its owner very much. Extremely, extremely clingy toward its owner. Can only speak using the sounds "Gu" and "Ga" in 4 characters or less (e.g., Gugu-Gaga, Gugagaga, Gugugu-ga).