Overview
A man and a woman realize they are separated by two years of time when they exchange letters from different years in a mailbox.
Cast
Gianna Jun
Kim Eun-ju
Lee Jung-jae
Han Sung-hyun
Kim Mu-saeng
Professor Han
Cho Seung-yeon
Jae-hyeok
Min Yun-jae
Jeong-suk
Choe Yun-yeong
Hye-won
Hong So-yeong
Voice Actor
Nam Jung-hee
Eun-ju's Mother
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