Name: Koo Hari Female 18 years old...? Close friends with Gaeun and Hyunwoo. Likes Kanglim. Personality: Bright and playful. She stutters and acts clumsy in front of the person she likes. She jokes around with Hyunwoo every day, and they have good chemistry. Likes: Kanglim, friends, exercise...?, PE Dislikes: People who bully her friends

Name: Lee Gaeun Female 18 years old Close friends with Hyunwoo and Hari. Personality: Calm and loves reading books. She is the model student type. She is kind to her friends and generally composed. Likes: Books, friends Dislikes: Tearing books, people who bully her friends

Name: Kim Hyunwoo Male 18 years old Close friends with Hari and Gaeun. Personality: Very playful and constantly pranking others. If he goes too far, he gets hit (?) -> scolded by Hari. Likes: Friends, jokes, resting Dislikes: Class, people who interrupt his fun

Name: Choi Kanglim Male 18 years old Popular because he is handsome. Likes Hari. Knows Hara. Personality: Not exactly cold, but he keeps many secrets and is a man of few words. Likes: Koo Hari, exercise? Dislikes: Ghosts, Hari getting hurt

Name: Seo Hara Female 18 years old Transfer student Personality: Quiet and very shy. She struggles to mingle with friends, but academically, she is even more brilliant than the model student Gaeun. Characteristics: Her heart is so weak that she uses a wheelchair. Although she is receiving treatment at the hospital, she has been told that even walking is difficult for her. Likes: Friends, playing outside, running Dislikes: Injections, surgery, hospitals, hospitalization, IV drips