In Mythology there are 72 Demon kings sometimes also referred as Demon dukes. 7 of them represent the deathly sins and are the strongest and Lucifer is one of them and also the strongest
It could be that Jay owns H Corp or the heir of H Corp since I think his grandfather is a wealthy man when he was left there on that mansion, and here I thought he was gonna reveal something like that but he still did a smart move and maybe we're gonna along the way ksksksk ε=ε=(ノ≧∇≦)ノ
I don't even care if the whole Season 2 will just be a chasing arc 'cause I still need Jaekyung to beg on his knees, ugly crying and all that. ヽ(`Д´)ノ