In "18,29", the male protagonist was Choi Siwon, who was a SJ when he was young.

The title of the play is also called - The Call of Love (1829)

Park Sun-young plays Ryu Hye-chan

The wife of the most popular male star Kang Sang-young in the Republic of Korea, holding the divorce agreement On the way to book, I got into a car accident and suffered from partial memory loss. She has lost her memory for 11 years, but she is a lovely woman who still thinks she is 18 years old! A cute, alternative and brave woman who lives with an 18-year-old mind and a 29-year-old body!

When she turned 18, she was looking for the love she had lost when she was young. At the same time, she was pursued by the boy "Jin Rong", which made her doubt and worry about her age and identity. She has dreamed of becoming a film director since she was a child. At the age of 29, she embarked on the road to regain her lost self with the vision and ideas of an 18-year-old.

Ryu Soo-young plays Kang Sang-young

Choi Si-won plays the young Kang Sang-young

A former actor, he is a late star who has only recently begun to receive attention from the media! From TV series, commercials to movies, it is favored by people. Shang Yong's mother was also an actress, but she was unable to get married because of her grandfather's strong opposition. It wasn't until she gave birth to Shang Yong that she was recognized by her grandfather as his daughter-in-law. However, Shang Yong abandoned the children and ran away as soon as his father died. Shang Yong, who grew up in this family background, looked cold and arrogant, but was very gentle in his heart.

Hui Can, who went out with the divorce agreement, came back as an 18-year-old girl. Shang Yong planned to hide the fact of the divorce and pretend to be a happy couple. But when did an 18-year-old boy named Jin Yun appear next to Huican? I want to help Hui Chan retrieve the memories of 11 years and the love we lost together

Lee Jong-moon plays Jin Rong

A high school sunshine boy with beauty and fame comparable to "TVXQ". A good student who values ??norms, rules, morality and etiquette, a good son who never lets his parents worry. He faces everything with innate honesty and diligence, but his grades have never been in the middle or upper reaches, and he is best at memorizing subjects. I am not interested in HIP-HOP or pop music that young people like nowadays, but I like classical music with beautiful melodies, and I also like to draw comics. He is a simple young man who is introverted and dreams of building an ordinary family. But when he falls in love with Hui Chan, he becomes a passionate young man who sacrifices everything for love.

Park Eun-hye plays Shin Ji-young

The most popular female artist in the Republic of Korea, ranked first among the best wives. Her combination of intelligence and beauty makes her the object of pursuit by all men, but she also Too perfect to be close. But she is almost perfect but she also has one shortcoming. . . When he gets excited, he foams at the mouth and speaks in tongues!

They are the college juniors of Sang Yong and Hui Chan. They have been very close since college, and Sang Yong has always had an unrestricted brother-sister relationship. Although she has some feelings for Shang Yong and is a woman who dares to act and speak decisively, she has never confessed to Shang Yong because of her pride. On the contrary, she hates that she cannot give up on herself as a married man. But after knowing that Hui Chan lost his memory, he wanted to take advantage of it and became active towards Sang Yong.

Jung Da Hye plays Lee Eun Ji

Myung Sung dreams of becoming a supermodel High school girl boss. Not interested in studying, he has the self-confidence that he can 100% take the bait of the man he likes, and the arrogance that it is 100% impossible for the man he likes.

Now he is concentrating his efforts to seduce Jin Yun, who has broken his 100% golden body, but Jin Yun is carried away by the old-fashioned Hui Chan