WMG pages are Spoilers Off. You Have Been Warned!
The debuting trainee who Johnny talks to is EXO's Sehun.
Johnny is known to having been friends with the members of EXO, particularly Sehun, as they had trained together. It is also a popular What Could Have Been that he could have debuted in NCT's senior group. Jaehyun's depression slump happened in 2019.
Jaehyun says that he got into a slump three to four years into his career, most likely in 2019 when NCT 127 were busy touring the world and promoting their projects.- It could also be in April 2021 when he started becoming less active on social media and had zero to no public schedules. On top of that, his anticipated acting debut got postponed due to a bullying scandal from his co-star. Jaehyun previously mentioned in a video that he spent time with his dad and played tennis around that time to relieve stress.