Doobunzzae Seumoosal Online
38-year-old Ha No-Ra (Choi Ji-Woo) dreamed of becoming a dancer when she was younger. She met her future husband, Kim Woo-Cheol, when she was only 19-years-old and became a mother unexpectedly. Since then, she focused on her life as a wife and mother. Ha No-Ra then decides to attend the same university as her 20-year-old son Min-Soo and faces life a second time like a twenty year old.
| Series cast summary: | |||
 | Ji-Woo Choi | - | Ha No-Ra 16 episodes, 2015 |
 | Sang-yoon Lee | - | Cha Hyun-Suk 16 episodes, 2015 |
 | Won-young Choi | - | Kim Woo-Chul 16 episodes, 2015 |
 | Min-jae Kim | - | Kim Min-Soo 16 episodes, 2015 |
| Na-Eun Son | - | Oh Hye-Mi 16 episodes, 2015 |
| Yoon-So Choi | - | Shin Sang-Ye 16 episodes, 2015 |
| Park Hyo-Joo | - | Kim Yi-Jin 16 episodes, 2015 |
| Jung Soo-Young | - | Ra Yoon-Young 16 episodes, 2015 |
| Kim Gang-Hyun | - | Seo Dong-Cheol 14 episodes, 2015 |
| Ji Ha-Yun | - | Min-Ae 14 episodes, 2015 |
| Seo Han-Gyeol | - | Lee Man-Gi 14 episodes, 2015 |
| Jin Ki-Joo | - | Park Seung-Hyun 14 episodes, 2015 |
| Han Sung-Yun | - | Yun - Hyun-Jung 14 episodes, 2015 |
| Lee You-Jin | - | Lee Dae-Sung 14 episodes, 2015 |
| No Young-Hak | - | Na Soon-Nam 14 episodes, 2015 |
| Ban Hyo-Jung | - | No-Ra's Grandmother 8 episodes, 2015 |
| Lee Jae-Joon | - | College Student 8 episodes, 2015 |
| Byun Joon-Suk | - | Se-Hoon 8 episodes, 2015 |
| Ha Seung-Ri | - | Ha No-Ra (young) 8 episodes, 2015 |