Joo Hyung Woo is a Mixed Martial Arts Champion who suffers from myasthenia gravis.
Appearances
Doctor John
Guest cast, played by Ha Do Gwon
- Episode 1x05: Champions (1) (Jul 26, 2019)
- Episode 1x06: Champions (2) (Jul 26, 2019)
- Episode 1x07: Facing your fears (1) (Jul 27, 2019)
- Episode 1x08: Facing your fears (2) (Jul 27, 2019)