Nombre original: 퍼스트러브스토리
Fecha de estreno: 7 de septiembre de 2021
Serie
Tiempo promedio: 8 minutos
Géneros: Drama
Sinopsis: "I'm going to the army."
Min Kyu was surprised at the unexpected news. He is uncomfortable with the news of Jae Sung's enlistment, but he does not know why. He pretends not to care, but his heart doesn't calm down. Min Kyu feels like he shouldn't miss Jae Sung.