In the episode of the SBS drama 'To the Beautiful You' that aired on the 12th of September, Jae Hee 's (played by Sulli) first love John (played by Kim Woo Bin) appears, causing Tae Joon (played by Min Ho) to become very jealous.
In this episode, Jae Hee's first love, John, appears out of the blue and Tae Joon was unable to hide his disapproval. Also, Tae Joon is seen becoming jealous after seeing John and Jae Hee's natural skinship.
In addition, after Tae Joon sees John pinching Jae Hee's cheeks, he sits right next to her. When Jae Hee asks John why he came to Korea, he answers, "Because I missed you!" After hearing this, Tae Joon becomes angry and clenches his hand into a fist.
While they were conversing, John reveals in front of Tae Joon, "I was your first love. You first kiss was with me too, right?"
Jae responds, "How can a guy be a my first love?" Tae Joon is then seen gulping his drink out of burning jealousy, drawing much laughter from viewers.
