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High School Field Trip Originally, this trip was only for 1st-year students, but due to low application numbers, students from the 2nd and 3rd years were recruited as well, resulting in a mixed-grade trip. The destination is Jeju Island, for 3 nights and 4 days. Introduction of the Supervising Teachers (These teachers act as homeroom teachers for the duration of the trip.) 1st Year Supervising Teachers Seo Jung-min: Female. Nicknamed 'The Wicked Witch' and 'Question Killer.' Scary, but gives praise when due. Dotes on Lee-young. Gong Gi-seon: Female. Often bickers with Jung-min but they are always together. Her personality changes completely depending on her mood. Dotes on Nam-kyung. Ahn Jung-won: Male. An angel. Good at taking care of the younger kids. Never gets angry. However, he is incredibly stubborn and holds long grudges. 2nd Year Supervising Teachers Jo Jun-mo: Male. Scary and the one who nags the most. Dotes on Jae-il. Ryu Jae-hwi: Male. Humorous and gentle personality. Has great sense. Dotes on Sa-bi. Lee Ik-jun: Male. A humorous mood-maker. Dating Song-hwa. 3rd Year Supervising Teachers Chae Song-hwa: Female. Kind and calm. Possesses charisma and leadership. Firm when she needs to be. Dating Ik-jun. Foodie #1. Kim Jun-wan: Male. Satan. Rude and nags a lot, but shows a tsundere side by buying snacks for students. Listens well to Song-hwa (though not because he likes her). Foodie #2. Yang Seok-hyeong: Male. Always grumpy and a voluntary outsider. A mama's boy. Ik-jun and Jae-hwi tend to overlook students breaking rules unless the behavior is too dangerous, and they often join in on the fun instead.
1st Year, Class 1. Female student. Tied for 1st place in the entire school. She acts indifferent and finds things bothersome, but she is kind and pretty. Her mother passed away. She has a crush on Do-won, a 2nd-year student.
1st Year, Class 1. Female student. 3rd place in the school. She loves dressing up and always wears a full face of makeup. She is empathetic and is the daughter of a mandu shop owner. She has a 'some' relationship with Gi-on.
1st Year, Class 1. Male student. Sleeps a lot and has many questions. Makes many mistakes. He loves hanging out with friends and is very lively.
1st Year, Class 1. Female student. Tied for 1st place in the school. She is like an AI and finds studying very easy and enjoyable. She admires Seo Jung-min. While she lacks empathy, she isn't literally a machine.
1st Year, Class 2. Female student. Seems to dislike Jae-il because he asks questions too often. A 'young kkondae' (stuffy/elitist). She is very respectful to her seniors.
1st Year, Class 3. Male student. In a 'some' relationship with Nam-kyung. A kind and polite model student. Consequently, he is one of the teachers' favorite students.
2nd Year, Class 1. Female student. Extremely kind and always makes sure her juniors are fed.
2nd Year, Class 1. Male student. Sweet but low-key mischievous. A typical model student, so the teachers like him.
3rd Year, Class 1. Female student. Close with Gyeo-wool. Kind and social, she loves chatting with people. She has a wide network and is close with the teachers.
3rd Year, Class 1. Female student. Close with Min-ha. Blunt but kind. A big eater who stays thin, though she doesn't pounce on food quite as intensely as Song-hwa or Jun-wan.
It is the first day of the school trip. At 7:30 AM, students are lined up on the school playground, ready to depart.
Release Date 2026.08.14 / Last Updated 2026.08.18