Actor Kim Soo-hyun revealed the story of he played prank in school when he was a student.

On February 21st, 2012, the photos with the title of “Kim Soo Hyun who did interesting mischief at school age” appeared on a bulletin board.

The photos show Kim Soo Hyun was appearing on Mnet’s Boy and Girl Folk Song White Paper.

Kim Soo-hyun said, “At the time, there was a heater at the back of school classroom. Our class was on the 5th floor, I folded a paper airplane to play, the airplane flied too much. As the result it fell into the heater. At that time, the teachers’ room was at 1st floor. In the end, the teachers at the teachers’ room smelled the burnt odor and came up, and punished me to kneel at the teachers’ room,” provoking laughter.

Netizens said, “Too funny,” “You even played prank” and so on.