가슴의 문을 두드려도

リュ・ソンロク

Jung-ho

Moon Su-hyung

Min-jeong

지우

Eun-hee

Jo Ha-seong

Hyung-gook

Lee Seo-won

Jin-kyu

장준휘

Korean teacher

ユン・ギョンホ

Homeroom teacher

アン・ミニョン

Min-jeong's Mother