Just like Park Seo-joon, Jung Hae-in also enlisted in the military before his debut and signed a contract with his agency after he was discharged from the military and graduated from college.
SOMETHING IN THE RAIN
The series was released in 2018. It depicts the relationship between two people as they become a couple after being friends for many years. Jin-ah is a district supervisor in her 30s at a coffeehouse franchise and Joon-hee is an animator in his early 30s at a video game developer company.
When he returns from working abroad, he reconnects with Jin-ah — who also happens to be best friends with Joon-hee’s sister since childhood. It gives how they fall in love, struggles with their age, and find the courage to go public with their relationship with everyone around them.
No. of Episodes: 16
Starring: Jung Hae-in, Son Ye-jin
ONE SPRING NIGHT
Released in 2019. Lee Jeong-in is a librarian who has been in a relationship with a banker, Kwon Gi-seok for a long time. While Yoo Ji-ho is a pharmacist and a single dad. He graduated a year later than Kwon Gi-seok from the same university.
After meeting with each other, Ji-ho and Jeong-in realized to be fond of each other and their relationship become more complicated than it could be.
No. of Episodes: 32
Starring: Jung Hae-in, Han Ji-Min
A PIECE OF YOUR MIND
This series was released in 2020. The story is between Moon Ha-won and Han Seo-woo. Moon Ha-won is an AI programmer and he is the founder of AH Company. He is a consistent person with a good heart. Meanwhile, Han Seo-woo works as a classical music recording engineer.
Her life is unstable without a family or house, but she is a positive person. Ha-won becomes the friend of Seo-woo. So, she helps Ha-won to communicate with her and to understand the mystery of how she lives after leaving his first love Ha-won.
No. of Episodes: 12
Starring: Jung Hae-in, Chae Soo-Bin
Also Read: 10 Emotional Quotes from Korean Dramas
Released in August 2021. D.P. tells the story of a team of Korean military police with their mission to catch deserters. The series magnifies the undesirable nature of the military in South Korea. Private Ahn Joon-ho and Corporal Han Ho-yul both team up to find the deserters, and end up on an adventurous journey. Season 2 is also going to be released.
No. of Episodes: 6
Starring: Jung Hae-in, Koo Kyo-hwan
This series is released in December 2021. The series is set in November and December 1987. Lim Soo-ho is a graduate student who is found covered in blood by Eun Yeong-ro (Jisoo), a female university student in her university dorm, who hides him from the government in her room.
Later on, it is revealed that Soo-ho is not a South Korean graduate but a North Korean guy who is here to complete his mission against the backdrop of politics. Yeong-ro fell in love with him and they protect each other.
No. of Episodes: 16
Starring: Jung Hae-in, Jisoo
Also Read: 10 K-Dramas That Will Make You Cry Out Loud
Hae-in also does his travel vlog of New York. He explores all the famous restaurants and places. He also attends a theatre class at one of the universities in New York.