Jo Se Ho held a special event for After School's Nana on 'Roommate'!

The two of them embarked on their first date on this week's episode, heading to a movie theater at 1 AM in the morning to catch a horror flick.

Expecting only a movie, Nana was taken aback by a surprise show before the main event! Jo Se Ho had prepared a special video showing off their moments on 'Roommate' together.

Nana was touched by his effort. "I'm always thankful to him, and I just like him," she said. "I hope we can maintain this as we go on."

SEE ALSO: fromis_9's Jiwon confuses fans by saying that her wish this year is to 'receive her first pay'