Once Again - Season 1 - Episode 21
As Young Dal's birthday approaches, Ok Boon wants to throw a birthday party. Although Young Dal never agreed to celebrate his birthday before, he decides to let Ok Boon enjoy showing off Na Hee and Gyu Jin to the market ladies at the party. Meanwhile, Joon Seon is furious about Na Hee keeping her divorce a secret.
About Once Again

Title: Once Again
First Air Date: 2020-03-28
Last Air Date: 2020-09-13
Status: Ended
Rating: 8/10 (from 14 votes)
Language: KO
Seasons: 1
Total Episodes: 100
Network: KBS2
Genres: Drama
Production Companies: Studio Dragon, Bon Factory
Synopsis
Back at square one as divorcees, four siblings take another shot at love and dreams — after mustering up the courage to convince their parents first.
Cast

Lee Min-jung
Song Na-hee

Lee Sang-yeob
Yoon Gyu-jin

Cheon Ho-jin
Song Young-dal

Cha Hwa-yeon
Jang Ok-boon

Lee Cho-hee
Song Da-hee

Oh Yoon-ah
Song Ga-hee

Oh Dae-hwan
Song Joon-sun

Lee Jung-eun
Kang Cho-yeon / Song Young-sook

Baek Ji-won
Jang Ok-ja

Ahn Kil-kang
Yang Chi-soo