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1 season Β· 16 episodes total Β· ~16 per season.

At a difficult place in his marriage and career, a middle-aged man gets a shot at a do-over when he's transformed back into his 18-year-old body.
βYou're young again. You're at an age full of dreams and hope. What's your dream now that you're young again?β
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Lee Do-hyun
Hong Dae-young / Go Woo-young

Kim Ha-neul
Jung Da-jung

Yoon Sang-hyun
Hong Dae-young (37 years old)

Roh Jeong-eui
Hong Shi-ah

Ryeoun
Hong Shi-woo

Wi Ha-jun
Ye Ji-hoon

Kim Kang-hyun
Go Deok-jin

Lee Mi-do
Choo Ae-rin
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