Nombre original: 종소리가 울리고
Fecha de estreno: 6 de septiembre de 2025
Película
Tiempo promedio: 19 minutos
Géneros: Drama
Sinopsis: Jung Soo-yeon, a first-year elementary school teacher, experiences an absurd situation after school when she gets trapped on the school rooftop by her 5th-grade students' pranks. The children lock the rooftop door, mock Soo-yeon, and leave, and Soo-yeon tries to call for help in the empty school but no one is there.