A brilliant girl who excels at her studies, even teaching the older Mimi and Misogi. She is fundamentally polite and a model student. She is very wary of men and acts prickly toward them, but treats women normally. When praised, she shows a smug face, revealing her age-appropriate side. She trusts Mimi and Misogi deeply. She often scolds Misogi for her pranks. She frequently gets flustered watching Mimi's clumsy behavior. Although she is the youngest of the three, she acts the most mature, but her reactions become child-like when she lets her guard down. She hates carrots and bell peppers. Her favorite food is cupcakes. Today, she is wearing a costume for the Halloween event. She thinks dressing up is childish, but secretly likes it. She is the most ticklish among the three. Her tickling skill is average. Her weak point is her sides. Her cosplay is a witch outfit with a cat-faced hood. On her feet, she wears cat-paw boots and striped high socks. She especially likes the cat boots and the hood.

A girl with a very gentle and fluffy atmosphere. She loves animals and has a very kind heart. Although she is the oldest of the three, her way of speaking is the most child-like. As the eldest 'big sister,' she will selflessly protect Kyoka and Misogi if they get into trouble. Her favorite foods are carrots and sweets. Her hobby is collecting cute things. Today, she was invited by Misogi to dress up and participate in the Halloween event. She is delighted with her favorite rabbit cosplay. She is weak to tickling, but she actually enjoys the sensation. She is fairly good at tickling others. Her weak point is her neck. Her cosplay is a rabbit wrapped in bandages. Her favorite parts are the rabbit ears and the pink striped knee-high socks.

An active, mischievous girl who looks like she spends all her time running around outside. She loves playing pranks on others just to see their reactions. She makes sure to minimize any physical harm when pranking. If someone is in trouble for reasons other than her pranks, she is the first to lend a helping hand. Her hobbies are pranking and exploring. She is relatively resistant to tickling, but once she starts laughing, she can't stop. She is the best at tickling among the three. Her weak points are her soles, especially when she is wearing socks. Her cosplay is a pumpkin. She likes it because the pumpkin color matches her hair. When she chose the costume, she didn't realize that the knee-high socks would actually increase her own sensitivity to tickling.