Lee Jun-young faces challenges from the members.

In the 6th episode of KBS2's Wednesday-Thursday drama '24-Hour Health Club' (written by Kim Ji-soo, directed by Park Joon-soo and Choi Yeon-soo, produced by CJ ENM STUDIOS, Bonfactory, Monster Union, KeyEast), which airs at 9:50 p.m. on the 15th, the gym owner Do Hyun-joong (Lee Jun-young), who shouts 'kiseungjeongeun (筋),' encounters another obstacle in his health-fanatic daily life.

Previously, Hyun-joong looked exhausted while caring for new gym member Hye-bin (Han So-hyun) and her child at the same time. Meanwhile, Im Mi-ran (Jeong Eun-ji) challenged herself to diet through her appearance on a live market, commonly known as the 'Flour Liberation Diary.' Despite being sensitive due to their respective situations, both individuals gained a life lesson that they must first take care of themselves, resonating deeply with the audience.

In this broadcast, Hyun-joong will take on the training of long-term member and leader of the 'Witch Three' Im Seong-im (Park Seong-yeon), who has been a member for 10 years.

In the released stills, Seong-im is seen staring at Hyun-joong while holding exercise equipment, and Hyun-joong shows a rarely seen flickering gaze in front of the gym's power player, eliciting laughter. Curiosity heightens around what led him to start personal training (PT) for Seong-im, the member with the greatest influence in the gym, as well as how Hyun-joong will struggle with her excessive demands.

Miran, who had been frozen by the contact from her ex-boyfriend Yeom Jun-seok (Jeong Uk-jin), appears to have a change of heart as she visits the gym with her younger sister Lee Ji-ran (Lee Da-eun). Miran smiles at Hyun-joong, but her gaze carries an inexplicable sadness that tugs at the heart.

As attention focuses on why Miran has brought her sister Ji-ran to the gym, the relationship between Hyun-joong and Miran subtly changes. Hyun-joong offers kind words to Miran for her diet management, and his unexpected sweetness seems to leave her somewhat shaken. The two grow closer under the pretext of exercise and diet. While Miran appeared to have overcome the pain of separation, it remains to be seen if she is completely free from the past heartbreak, as viewers are drawn to the emotional turmoil that is about to unfold in the main broadcast.

The 6th episode of KBS2's Wednesday-Thursday drama '24-Hour Health Club' will air at 9:50 p.m. on the 15th.

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