Starring
Kim Young-kwangOh Jung-seYook Sung-jaeChoi Ro-woonKim Mi-kyungOh Hee-joon
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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.
All Seasons
▼
Season 12014
—0141h 17m
| Ep | Title | Rating | Yours | Votes | Runtime | |
|---|---|---|---|---|---|---|
| ▶ | 1 | The plus nine effect | — | — | 77 min | |
| ▶ | 2 | Suddenly One Day | — | — | — | |
| ▶ | 3 | It Has Been a While | — | — | — | |
| ▶ | 4 | When Love Finds You | — | — | — | |
| ▶ | 5 | Bad Boy | — | — | — | |
| ▶ | 6 | We Are in Love with Aliens | — | — | — | |
| ▶ | 7 | September 19th | — | — | — | |
| ▶ | 8 | Things That Make Men Change | — | — | — | |
| ▶ | 9 | The Girls' Stories | — | — | — | |
| ▶ | 10 | Celebrating You | — | — | — | |
| ▶ | 11 | A Secret I Want to Tell | — | — | — | |
| ▶ | 12 | Lean on Me | — | — | — | |
| ▶ | 13 | Because I Love You | — | — | — | |
| ▶ | 14 | Young Man Matures Into an Adult | — | — | — |
Full Cast & Crew
Cast
Kim Young-kwang Kang Jin-goo
Oh Jung-se Koo Gwang-soo
Yook Sung-jae Kang Min-Goo
Choi Ro-woon Kang Dong-goo
Kim Mi-kyung Goo Bok-ja
Oh Hee-joon Nam Chang-hee
Gyeong Su Jin Ma Se-young
Park Min-ha Lee Go-eun
Kim Hyun-joon Park Jae-Bum
Yoo Da-in Joo Da-in