In "Rude Miss Young Ae" Kim Hyun Sook comforted Lee Seung Joon. Though Lee Seung Joon was really worried about her past relationship with Kim San Ho, she told him that everything was done between them.
On 9th episode of the tvN Monday/Tuesday drama "Rude Miss Young Ae Season 14" (script Myung Soo Hyun, director Han Sang Jae) broadcast on September 7th, Young Ae (played by Kim Hyun Sook) confessed to Seung Joon (played by Lee Seung Joon). He said that everything was done with San Ho (played by Kim San Ho) and there was nothing going on between them.
On this day, Seung Joon was very careful to talk about San Ho's name. With that, he asked Young Ae about her relationship with San Ho. He then said, "I'm sorry, I saw your kakaotalk" and apologized. Nonetheless, he wanted to check what feelings Young Ae really had for other men.
Seung Joon also mentioned that the other man probably had feelings for her. Nonetheless, Young Ae comforted him, saying that she definitely did not have feelings for him.
Nevertheless, Young Ae still did not forget about Young Ae. With that, "Rude Miss Young Ae" and its love triangle was now being official.