Actor Lee Jong Suk revealed his disappointment from his sister Krystal in the sitcom "Highkick 3."

In KBS2 "Happy Together 3" aired today, the actors of the movie "R2B: Return to Base" Shin Se Kyung, Kim Sung Soo, and Lee Jong Suk came out.

On this day, Lee Jong Suk said, "We filmed for 'Highkick 3' for a long time, so I got really close to Krystal", talking about his relationship with f(x) Krystal.

He continued, "I'm the MC of a music program, and she came out in it. I was so happy to see her so I greeted her brightly but she just coldly said 'How are you?' I was so disappointed."

At this, Park Myeong Soo said, "So how did you get over it?", and Kim Won Hyo said "You must know her number", but Lee Jong Suk replied "I heard her number changed."

Photo Credits: KBS2