The K-Star Next Door S04 E18 Romantic 'Serendipity's Embrace' starred by Kim So Hyun and Chae Jong Hyeop visit KStarNextDoor4

Discord between Kim So Hyun and Chae Jong Hyeop? What happened before the drama launch? Chae Jong Hyeop the Hyeop Sama stirs Japan, how did he capture his Japanese fans' hearts? Instagram following rich Kim So Hyun was shocked by her fan? A playlist recommended by two actors while waiting for 'Serendipity's Embrace'