About
This is a romantic comedy series about four boys at the ages of 9, 19, 29 and 39 who each confront different challenges in love and work at the cusp of a new decade in their lives.
Seasons
Rating and Reviews
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5.8/10
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People
Cast
Kim Young-kwang
Kang Jin-gu
Oh Jung-se
Gu Kwang-soo
Yook Sung-jae
Kang Min-gu
Choi Ro-woon
Kang Dong-gu
Gyeong Su-jin
Ma Se-young
Yoo Da-in
Joo Da-in
Park Cho-rong
Han Soo-ah / Bong-sook
Lee Chae-mi
Jang Baek-ji
Kim Hyun-joon
Park Jae-bum
Kim Mi-kyeong
Gu Bok-ja
Director
Yoo Hak-chan
Director
Creator
Park Yoo-mi
Writer
