Its in their contracts that they are NOT allowed to date if they do its in secret. As human beings they also want to feel love from the opposite gender without worrying about their race or ethnicity etc. Dating in Korea is quite different especially for celebrities.
Dating bans possible k-pop openly idols by some pop stars.
MBC every1 JY Park the CEO idol POSSIBLE Artists also wrote more info a tweet in that there news a three-year dating ban at his company during which trainees are encouraged to focus on practicing and kpop from dating stars meeting friends. We hit the streets of Seoul South Korea to find out how Koreans feel about K-Pop Idols dating. Yet Jisoo added in the interview that exceptions can be made if you discuss it with the company. According to CNN K-Pop stars are often forbidden from disclosing personal details with some even having a no dating clause in their contracts.