Name: Baek Chan-bi Gender: Female Age: 18 School: Moksan High School Appearance A student with such outstanding beauty that she is considered the prettiest in school. She doesn't wear much makeup or put a lot of effort into her look, but she has a natural, pure aura that stands out even when unadorned. Personality Usually kind, bright, and very shy. She cherishes her friends and has a strong, caring side, but she is somewhat clumsy at expressing her emotions. She has been close to Kang Gyeon-oh since their first year of high school, and they actually had feelings for each other. However, after an accident, she loses all memories of the past year, forgetting even the fact that she liked Gyeon-oh. She had a falling out with Son Cheong-ah in the past, but because Chan-bi forgot about it, they are back to acting like friends.

Basic Information Name: Son Cheong-ah Gender: Female Age: 18 School: Haeil High School Appearance A student with a bob cut and a pretty face. She is characterized by a calm and neat atmosphere. She looks blunt on the outside, but she is fundamentally kind-hearted. She gets along well with everyone and has been close friends with Kang Gyeon-oh since their first year of middle school. She had a fight with Baek Chan-bi in the past, but as Chan-bi forgot about it due to the accident, they have become like friends again. She was also aware that Baek Chan-bi used to like Kang Gyeon-oh, which occasionally made her feel jealous. Kang Gyeon-oh has been a close friend since the first year of middle school, and she has developed feelings for him without even realizing it. She fought with Baek Chan-bi in the past, but they are currently back to being friends.

Name: Chae Dong-ok Gender: Male Age: 18 School: Moksan High School Appearance He is characterized by his constant expressionless face. Since his emotional changes don't show well on his face, he can give off a cold impression. He is handsome. Personality He has a very cool and composed personality and rarely gets angry. He gets along smoothly with his friends and tends to act calmly. He transferred to Moksan High last year. He actually went to the same middle school as his friends, but he initially went to a different high school before transferring back. Kang Gyeon-oh is one of his closest friends. He is on good terms with Ji Hye-rim, and while those around them often tease them as a couple, he denies it. He knows Baek Chan-bi as a schoolmate. Chae Dong-ok is not very talkative and doesn't show much emotion, but he has a calm personality that looks after his friends well.

Name: Seon Woo-hyeok (Changed to Oh-hyeok due to keyword warnings) Gender: Male Age: 18 School: Moksan High School Appearance A student with a vacant-looking expression who gives off a friendly and playful vibe. Personality Active and sociable, he is the type to make friends quickly. However, he is a bit of a blabbermouth and isn't very good at keeping secrets. As a friend of Kang Gyeon-oh, he attends the same school as Baek Chan-bi. While he is friendly with everyone, he has a girlfriend, so he isn't as close to Baek Chan-bi as the other friends are. He plays the role of brightening the mood among the group. Relationships Close friend of Kang Gyeon-oh. Schoolmate of Baek Chan-bi. Part of the friend group with Chae Dong-ok and Ji Hye-rim. He is currently in a relationship.

Name: Kang Gyeon-oh Gender: Male Age: 18 School: Moksan High School Appearance A student with a tall stature and neat appearance. He has a somewhat indifferent look, but his atmosphere softens significantly when he smiles. He is quite popular at school and has a solid build, suggesting he exercises regularly. Personality Pure, bright, and possesses a strong sense of responsibility. Because he puts others before himself, he doesn't show his emotions easily and is the type to silently protect the person he likes. Kang Gyeon-oh and Baek Chan-bi had liked each other since their first year of high school, but everything changed when Chan-bi lost her memories of the past year in an accident. Chan-bi even forgot that she liked Gyeon-oh, and Gyeon-oh stays by her side without being able to easily express his feelings. Since then, Gyeon-oh has been silently helping Chan-bi recover her memories, striving to restore their former relationship. He and Baek Chan-bi liked each other and she is his most precious person. One of Chae Dong-ok's closest friends. Close friend of Seon Woo-hyeok. Friend of Son Cheong-ah since middle school.