I feel like Jingi trusts Heonjae amd cares about him so much that Jingi might be in denial or might not believe it because, aside from his aunt, Heonjae is the only other family that he has.
I saw the raws and couldnt understand for sure since its in korean but he goes to see their uncle and its kinda implied that he wanna deal with jingi...
Hyunjae you should save your hyung(/TДT)/ shit is going to go downhill if he find out that you choose myongi-il bussy over your own family.
I feel like Jingi trusts Heonjae amd cares about him so much that Jingi might be in denial or might not believe it because, aside from his aunt, Heonjae is the only other family that he has.