The "18 Again" actor was asked about his memorable scene in the drama, to which he replied that everything is significant to him.
"I can't believe 'Youth of May' has come to an end," adding, "I thought about this for a long time, but every scene and every line is precious and memorable, so it's hard to pick just one."
In addition, he also thanked fans and viewers for their positive response and support for the drama.
In the Kdrama "Youth of May," Lee Do Hyun plays Hwang Hee Tae-- the Gwangju-born medical student from Seoul National University.
Amid his wealthy lifestyle, he has a complicated relationship with his father, Hwang Gi Nam (Oh Man Suk), who works for the Defense agency and the reason behind the arrest of several civilians.