In "Cantabile Tomorrow," Joo Won started to get jealous of Shim Eun Kyung and Park Bo Gum's relationship.
On the episode of KBS2 Monday/Tuesday drama "Cantabile Tomorrow" broadcast on November 4th, Cha Yoo Jin (played by Joo Won) saw the status message of Sul Nae Il (played by Shim Eun Kyung) and got jealous.
On this day, Lee Yoon Hoo (played by Park Bo Gum) bought sandwiches for the members of S Orchestra. These people enjoyed a delightful lunch. At this, Sul Nae Il made this picture her status and uploaded a picture onto her social media site.
At this, Cha Yoo Jin said, "I gave you guys food and you left it on this thing" and showed that he was jealous. At this, he said, "Why are people putting up pictures here? To show it to me? There's no way I'd look at this. I don't support this" as he started to complain.
Meanwhile, "Cantabile Tomorrow" is a KBS2 Monday/Tuesday drama adapted from the Japanese manga with the same title. In the drama, Yoo Jin (played by Joo Won) is a piano major with a world famous pianist father who is not only attractive but has exceptional music talent. However, his father cannot ride in a plane or boat because of childhood trauma and such limits his future opportunities.