On June 18, Doyoung posted a photo on his Instagram story along with the phrase, "NCTzens told me to boast about these things." The photo showed a certificate showing that Doyoung had passed the grade level 2 Korean History Proficiency Exam.
Netizens commented in response to Doyoung's post, saying, "He's so much better than me," "He's amazing. He must be so busy with his schedules but he still found time," "I have to take that exam too, I'm envious he passed it," "How did he find the time?" and "He must be busier than I am but he still found time."
Doyoung is born in the year 1996 and debuted as a member of NCT 127 in 2016. He is well known for being the younger brother of actor Gong Myung. He will make his debut in a musical next month through the musical 'Marie Antoinette.'