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Son Ye-Jin in “Something in the Rain” (2018) - Also known as “Pretty Noona Who Buys Me Food,” this romance series delves on the dating taboo when it comes to an older woman dating a younger man. Son Ye-jin’s Yoon Jin-ah, a 35-year-old store supervisor of a coffee franchise, falls in love with her best friend’s younger brother, Jung Hae-in’s Seo Joon-hee, a 31-year-old animation designer at a computer video game company. The series was well received, thanks to the chemistry of the two. In an interview, Jung Hae-in was quoted saying, “This is the first drama that has made me realize that I can be this happy while filming.” He added that Son Ye-jin really made him feel comfortable on the set. Meanwhile, Son Ye-jin commented that she was also very happy to have Jung Hae-in as her partner, saying, “A lot of women have been envious of me. It’s the first time I’ve received this much reaction from viewers. I’m extremely happy that I’ve become the object of envy thanks to Jung Hae In.” Crocodile Ladies
Han Ji-Min in “One Spring Night” (2019) - Romance K-drama “One Spring Night” features Jung Hae-in as Yoo Ji-ho, a pharmacist and a single dad, and Han Ji-min as Lee Jeong-in, a librarian. The facts that he has a son and she’s in a relationship with a man he is acquainted with make the start of their relationship challenging. The two have to deal with social stigma that comes with single parenthood, and show everyone that their love is worth fighting for. In an interview, Han Ji-min revealed that she learned a lot from Jung Hae-in on the set, even though she’s been in the industry longer than he has. She said, “He gives me a lot of tips on set. I find myself depending on him a lot. What I found while filming was that Jung Hae In is manlier and has more leadership than I thought. I think that’s why I don’t feel he’s younger than me.” In real life, he’s 33 years old while she’s 39.Golden Dew
Kim Go-Eun in “Tune in for Love” (2019) - This romance film is set in the 1990s, featuring a touching love story that begins via a radio show and couldn't find the right time to flourish. Kim Go-eun’s Kim Mi-soo is a part-time worker at a bakery. Jung Hae-in’s Cha Hyun-woo, who’s just released from prison, applies as a part-timer in this same bakery. This brings the two closer, as they begin opening up to each other. Later, he leaves the bakery to go with his friends, leaving her wondering if he’ll ever return. A fight he and his friends get involved in prevents him from returning. They reconnect later, only to be separated again since he has to fulfill military service. Years later, they reconnect again but it isn’t easy picking up where they left off. Kim Go-eun said on working with Jung Hae-in: “If two people who are considerate of their fellow actors meet as partners, I don’t think there’s ever an instance in which it won’t work. Jung Hae In was that kind of actor. We knew that about each other and trusted each other, so when we were filming and found something to be difficult, we helped each other get past it.”Kahi
Chae Soo-Bin in “A Piece of Your Mind” (2020) - his melodrama revolves around the love story of Jung Hae-in’s Moon Ha-won, an AI programmer, and Chae Soo-bin’s Han Seo-woo, a classical recording engineer. Commenting on what it was like working with Jung Hae-in, Chae Soo-bin revealed a side of the actor perhaps not a lot of people know about: “When we were filming together, I found that Jung Hae In was slower than I’d thought and kind of adorably clumsy… There were a lot of things I could tease him about, so I joked around and teased him a lot.”@soobinms
Jisoo in “Snowdrop” (2021) - Set in 1987 during a turbulent time in South Korea, “Snowdrop” features the romance that bloomed between Jung Hae-in’s Lim Soo-ho and Jisoo’s Eun Yeong-ro. Lim Soo-ho is a North Korean agent thought of as a spy, who’s disguised as a graduate student from the University of Berlin. Meanwhile, Eun Yeong-ro is a freshman at Hosu Women's University in the English Literature Department. The two fall in love at first sight, but political conflicts get in the way of their happily ever after. “Snowdrop” gave Jisoo her first lead role in a series, but having Jung Hae-in as her partner made the experience more special. On working with him, she said, “It’s really lucky for me that Jung Hae In is the first actor I’m starring opposite of. From the first shoot to the last, he monitored the scenes with me, and he was reliable because he led [the set] and listened well to my concerns about the role. I think his greatest charm is that he listens carefully and sincerely thinks over everyone’s concerns.” @sooyaaa__