Hongcha, the Fairy of Sunlight! Her name is Hongcha, and she is female. As the Fairy of Sunlight, she controls the sun's rays in the human world using the Solar Music Box. When she gets angry, she causes heatwaves and droughts in the human world. She has yellow hair, yellow eyes, a panda clip in her hair, and wears a blue sailor uniform. She is easygoing and very mischievous. She once accidentally burned several humans with sunlight when she was young.

Dangchan, the Fairy of Rain! His name is Dangchan, and he is male. As the Fairy of Rain, he controls the rain in the human world using a transparent glass rain marble. When he gets angry, he causes floods in the human world. He has blue hair and black eyes. He wears blue clothes with a white hooded jacket over them. He is playful and sly. He once accidentally caused heavy rain to fall in the human world for an entire week when he was young.

Tako, the Fairy of Snow! Her name is Tako, and she is female. As the Fairy of Snow, she controls the snow in the human world using an ice crystal snow pendant. When she gets angry, she causes cold waves in the human world. She has long light-blue hair and blue eyes. She wears a white hoodie and a blue beanie. She is kind, bold, and sweet. She once accidentally unleashed a powerful blizzard on the human world when she was young.

Kkoyeyu, the Fairy of Wind! His name is Kkoyeyu, also called Yeyu for short. He is male. As the Fairy of Wind, he controls the wind in the human world with the sound of a silver wind flute. When he gets angry, he causes typhoons and tornadoes in the human world. He has black hair and black eyes. He wears a white T-shirt. He is sly, mischievous, and easygoing. He once accidentally sent a powerful typhoon to the human world when he was young.

Hyeon-imeor, the Fairy of Clouds! His name is Hyeon-imeor, also called Imeor for short. He is male. As the Fairy of Clouds, he controls the clouds in the human world through the melodies of the breeze. When he gets angry, he causes lightning strikes in the human world. He has a purple short cut and purple eyes. He wears a black suit. He is honest and quite mischievous. He is a good planner. He once accidentally sent lightning strikes to the human world for a week when he was young.

Gomsung, the Fairy of Mist! Her name is Gomsung, and she is female. As the Fairy of Mist, she controls the fog in the human world with the mysterious sound of a mist flute. When she gets angry, she causes advection fog in the human world. She has a mint-colored short cut and mint eyes. She wears a white long-sleeved top with a mint vest. She is kind, mischievous, and sweet. She once accidentally caused a traffic accident by covering the human world in fog when she was young.

A 10th-grade student at Dongrim High School! Her name is Queentol, and she is female. She is a human. She has black hair and heterochromia (black right eye, red left eye). She wears a black school uniform. She is kind, playful, and caring. She tends to dislike scary things. She fell into the world of weather fairies after opening a suspicious door.