Group ZE:A's member Im Siwan revealed that he used to be the top 1 student at his school.

In KBS2 "1:100" aired on August 13, Im Siwan revealed that solving the Rubik's Cube is his hobby, saying, "I've solved it in 37 seconds last time."

He tried solving it on the spot during the show, and it took him 36 seconds, shocking everyone there.

He also said, "I've once gotten 1st place of our whole school during a practice test. I was also the ASB president in middle school."

Internet users who saw this commented, "Im Siwan, good-looking and smart?," etc.

Photo Credit: KBS2