While the students, full of vigor in their twenties, make a stand against their parents who regard dating as a sin, they enjoy their springtime of life to the full showing affection in their own way. In the meantime, their parents get to understand them and their children receive their parents' blessing.
| Actor | Role |
|---|---|
 Shin Seong-ilPark Chan-sik | Park Chan-sik |
 Um Aing-ranDo Deok-ja | Do Deok-ja |
 Bang Seong-jaDo Hyeong-ja | Do Hyeong-ja |
 Nam Mi-riHan Gyeong-ja | Han Gyeong-ja |
 Son Mi-hui-jaLee Gyu-hwa | Lee Gyu-hwa |
| LLee Sang-saCha Yeong-su | Cha Yeong-su |
 Bang Su-ilKang Soon-deok | Kang Soon-deok |
| JJang Myeong-sukOh In-jeong | Oh In-jeong |
| JJu Jin-huiDo Mi-ja | Do Mi-ja |
 Hwang Jeong-sunYoon Sa-ra | Yoon Sa-ra |
 Ju Jeung-nyeoMrs. Yang | Mrs. Yang |
 Bok Hye-sukGrandmother | Grandmother |
| KKim A-miLee Chun-ah | Lee Chun-ah |
 Heo Chang-kangDo Seung-gyu | Do Seung-gyu |
 Ju Seon-taeNot listed | Not listed |
 Park AmProfessor Hwang | Professor Hwang |