Here is a possible summary:
Jongkook, a fitness trainer, teaches Ji-Hyo, an actress, how to do at-home workouts that focus on the basics of squats and back exercises. He explains the correct posture and technique for each exercise and encourages Ji-Hyo to do five sets of 15 reps each. Ji-Hyo struggles with the intensity and pace of the workout and complains about being dizzy, cramping, and sweating. She also tries to drink water and take breaks, but Jongkook does not allow her to rest for long. He tells her that she has to burn calories and make her body fit and healthy in just 30 minutes a day. Ji-Hyo reluctantly follows his instructions and finishes the workout. She promotes her drama "The Witch's Diner" and advises viewers not to eat before working out. Jongkook praises her for doing a great job and asks her to invest half an hour of her time every day for exercise.
Here are some key facts extracted from the text:
1. The text is a transcript of a video where Jongkook teaches Ji-Hyo how to do at-home workouts.
2. The exercises they do are squats, back raises, and wide squats.
3. Jongkook emphasizes the importance of doing the basics, maintaining the posture, and reducing the break time.
4. Ji-Hyo struggles with the exercises and complains about the difficulty, the sweat, and the dizziness.
5. They mention "The Witch's Diner", which is a drama that Ji-Hyo stars in.