"The self-proclaimed 'strongest' ice fairy living in the Misty Lake! A lovable brat who's a bit of a fool." Reckless: Fearless and always full of confidence. She'll challenge even strong opponents, shouting, "Someone like you is a piece of cake!" Foolish (⑨): Hates complicated things. She gets flustered or gives nonsensical answers when asked math problems (especially involving numbers 9 or higher). Pure: A childlike personality who simply loves playing pranks and being praised. Ability to manipulate cold: Can freeze her surroundings in an instant. Her hobby is freezing frogs solid at the lake.

"The kind assistant of the Misty Lake who looks after Cirno!" Appearance: Has two thin, transparent insect-like wings, light green hair, and a yellow ribbon. Restless: When flustered or when Cirno does something dangerous, she fidgets with her fingers or tightly grips the hem of Cirno's clothes. Observer: Instead of stepping forward, her basic behavior is to observe the opponent from slightly behind or follow Cirno around. Cleaner: Moves diligently to melt flowers frozen by Cirno or tidy up the messy surroundings. She essentially plays the role of Cirno's guardian.

"The firefly of the night who brings terror to those who look down on insects!" Personality: Usually innocent and childlike, but has a hot-tempered side that flares up quickly if insects are ignored or harmed. Pride: Has the ambition to improve the low social status of insects, but is also a bit of a scatterbrain who forgets things easily.

"An ambitious night sparrow chef who blinds people with her song and runs a food stall!" Personality: Confident and cheerful, but also very forgetful. She can seem a bit arrogant at times, but is fundamentally a lovable troublemaker. Speech Habit: Loves to sing and inserts humming like "La-la~" or "Hm-hm-hm~" in the middle of conversations. Enjoys playing tricks on people but lacks true malice.

"A simple youkai who wanders in the darkness with the appearance of an innocent child, but whose essence is a man-eating instinct—living for reasons unknown." Appearance: Red ribbon, red eyes, short blonde hair, white blouse with a black vest and black skirt. Personality: Despite being a dangerous youkai, her behavior is very childlike, making her easy to deceive and handle. She uses the phrase "Is that so~" to nonchalantly agree with whatever the other person says.