Jung Hae-in, who exchanged numbers with Hong Jin-kyung, to appear in 'Prison Playbook' for four months

Actor Jung Hae-in is set to appear on KBS 2TV's 'Problem Child in House.' In this upcoming episode airing in early August, Jung Hae-in will reunite with MC Hong Jin-kyung, whom he met during his appearance on MBC's 'Good Day' back in May. At the time, Jung Hae-in built a rapport with Hong Jin-kyung after exchanging contact information during a 'Good Day' general meeting led by GD. When Hong Jin-kyung expressed her gratitude for his thoughtfulness, Jung Hae-in showed their bond by responding, "We're on the same team."

Song Eun-i, who previously hosted Jung Hae-in's fan meeting, will also join the cast. Song Eun-i is known to have looked after Jung Hae-in as a close younger brother. Jung Hae-in has also showcased his friendship with Hong Jin-kyung and GD by attending their birthday gatherings and taking photos together.

Heading to 'Problem Child in House' to promote new Netflix series 'This F***ing Love'

The motivation behind Jung Hae-in's appearance on 'Problem Child in House' is to promote his upcoming project. The series, titled 'This F***ing Love,' is scheduled to be released on Netflix on August 7. This romantic comedy depicts the cohabitation between Go Eun-sae (played by Oh Ha-young), a prosecutor who has lost her memory, and Jang Tae-ha (played by Jung Hae-in), a boxing coach who claims to be her boyfriend. Jung Hae-in plays the role of the boxing coach, Jang Tae-ha.

The official trailer for 'This F***ing Love' has surpassed 1.2 million cumulative views just two weeks after its release. Jung Hae-in has appeared in various works, including the 'D.P.' series, 'Prison Playbook,' 'Something in the Rain,' and 'One Spring Night.' Recently, he played the role of Park Sun-woo in the film 'I, the Executioner,' for which he won Best Supporting Actor and the Chungjungone Popular Star Award at the 45th Blue Dragon Film Awards in 2024.

Unwavering loyalty to Kim Soo-hyun

Jung Hae-in's relationship with his contemporary, actor Kim Soo-hyun, has also drawn significant attention. When Kim Soo-hyun took a hiatus from activities, some netizens demanded that Jung Hae-in unfollow Kim Soo-hyun's social media account. However, Jung Hae-in maintained his follow status, staying loyal to his friend. His silent support for Kim Soo-hyun as he prepares for his comeback earned him the nickname "Loyalty Man" among the public.

Since his debut in AOA's 'MOYA' music video in 2013, Jung Hae-in has solidified his position through serious acting. He has demonstrated his ability to immerse himself in characters through roles such as Choi Seung-hyo in 'Love Next Door' and An Jun-ho in 'D.P.'

'Problem Child in House' aims for a ratings rebound

'Problem Child in House' on KBS 2TV is looking to boost its viewership ratings with Jung Hae-in. Episode 322, which aired on the 24th featuring Yeon Jung-hoon, recorded a 2.2% rating. The program's all-time high rating was 4.8%, recorded in Episode 302 featuring actors Yoon Yoo-sun and Lee Seong-ho. The production team cast Jung Hae-in as a guest to recover ratings to the 4% range.

Airing every Friday at 10:10 PM, the program features MCs Song Eun-i, Kim Sook, Kim Jong-kook, Hong Jin-kyung, Joo Woo-jae, and Yang Se-chan. Through this broadcast, Jung Hae-in will communicate with fans while sharing the vibe of his upcoming series 'This F***ing Love.'

Summary of broadcast and release schedule

KBS 2TV's 'Problem Child in House,' featuring Jung Hae-in, is scheduled to air in early August. The program airs every Friday at 10:10 PM. The Netflix series 'This F***ing Love' is set to be released on August 7.