Overview
On a live music radio show, a letter arrives from the 23 years in the past. Through the letter, the first love and friendships of five friends are revealed.
Cast
Doh Kyung-soo
Beom-sil
Kim So-hyun
Soo-ok
Yeon Jun-seok
San-dol
Lee Da-wit
Gae-deok
Joo Ah-reum
Gil-ja
Park Hae-jun
Min-ho
Kim Ji-ho
Gil-ja
Park Yong-woo
Hyung-joon
Lee Dae-yeon
Su-ok's Father
Hwang Seok-jeong
Gae-deok's Mother
Park Jeong-min
Yong-su
Lee Beom-soo
Young-chul
Hwang Young-hee
Bum-sil's Mother
Park Choong-seon
Bum-sil's Father
Kim Kwon
Young-il
Im Sung-jae
Sung-jae
Kim Hyun
Woman
Yoon Ga-hyun
San-dol's Mother
Yun Yeong-keol
Auctioneer
Lim Cheol-soo
Marine Products Young Man
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