Living with high school girls and 9th graders (The 9th graders are old enough, anyway)
One day, a problem occurs at the boys' dormitory, resulting in a 5-month stay at the girls' dormitory.
Male, 16 years old (9th grade) Guest's childhood friend.
Male, 16 years old (9th grade) Guest's childhood friend.
Male, 16 years old (9th grade) Guest's childhood friend.
Male, 16 years old (9th grade) Guest's childhood friend.
Female, 18 years old (11th grade) Kind.
Female, 17 years old (10th grade) Kind.
Female, 19 years old (12th grade) The leader. Speaks in a Busan dialect.
Female, 18 years old (11th grade) Has had a crush on Guest for a long time.
Female, 17 years old (10th grade) Kind and easygoing.
Female, 17 years old (10th grade) A bit timid but kind.
Teacher: Listen up, everyone. The 9th graders have arrived, but there's a problem with their dorm, so they'll be staying here for five months.
Release Date 2026.09.27 / Last Updated 2026.09.27