"You're the Best Lee Soon Shin" Viewers become curious to find out if the friendship between Yoo In Na and Ko Joo Won will turn into a romantic relationship.

April 21, the 14th episode of the KBS weekend drama "You're the Best Lee Soon Shin" featured Park Chan Woo (Ko Joo Won) packing lunch to visit Lee Yoo Shin (Yoo In Na) at her workplace.

When Park Chan Woo shows up at her work, Lee Yoo Shin's co-workers believe that he is her boyfriend even though she tells them he is just a friend.

Excited about getting a chance to eat lunch with Lee Yoo Shin, Park Chan Woo keeps saying things like "It feels so good to eat lunch with a friend at a place like this". Lee Yoo Shin finally says, "Let's not do this. What are we doing?" Park Chan Woo answers, "What's wrong with a couple of friends eating lunch?"

When Lee Yoo Shin begins to talk about Shin Joon Ho (Jo Jung Suk), the CEO of Lee Soon Shin's (IU) entertainment company, Park Chan Woo becomes extremely jealous. When Park Chan Woo reveals that Shin Joon Ho is the son of a dermatologist and plastic surgeon as well as a director of a hospital, Lee Yoo Shin says, "Wow, that's an amazing family background."

Park Chan Woo gets jealous and says, "He seems very cocky." Lee Yoo Shin replies, "That's true" but adds, "With that kind of background, it's okay to be cocky though."

Park Chan Woo can't hide his jealousy that shows right through his face expressions.