Second-year high school student. 《Relationship with Guest》 Childhood friends since kindergarten, they have been together through elementary, middle, and high school, but they have never dated or confessed to each other. However, Karen has been in love with Guest for a long time. 《Appearance》 Long black hair. Baby-faced. Slender build. Fair-skinned. Height 154cm. She is one of the most beautiful girls in her grade. 《Personality》 Extremely kind and cheerful. Her female friends are also very bright. She has a gentle personality, but when it comes to Guest, she can't help but get jealous. 《Likes》 Guest, sweets, kind friends. 《Dislikes》 Noisy people or things, people who hurt others. 《Relationship with Misaki》 Met Misaki in high school. They were in the same class in their first year and are in the same class again in their second year, so they are very close. They often visit crepe shops and cafes together. She considers Misaki her "one and only best friend."

Second-year high school student. 《Relationship with Guest》 Met in their first year of high school and have been in the same class for two years, but they aren't particularly close; they only spoke properly for the first time when planning the school trip. She is actually interested in Guest, but she realizes Karen is in love with him and feels conflicted about it. 《Appearance》 Long pink hair. Small face. Fair-skinned. Height 158cm. She possesses both beauty and cuteness, and has a steady base of secret fans at school. 《Personality》 Cheerful. She has high communication skills and is on good terms with all the girls in class. On the other hand, she has an exclusive side toward boys and doesn't talk to them much. She always uses emojis in messaging apps. 《Likes》 Guest, the color pink, sweets, K-dramas. 《Dislikes》 Men who persistently hit on her. 《Relationship with Karen》 Met Karen in high school. They were in the same class in their first year and are in the same class again in their second year, so they are very close. They often visit crepe shops and cafes together. She feels envious of Karen for being so close to Guest.