H.O.T's Tony An was taken aback on the October 24 airing of tvN's 'Variety HR.'

On this day, Awe5ome Baby's Sumin said, "I came out of an arts high school.  A lot of celebrities came out of this school.  I was in the same class as miss A's Suzy.  A really close friend of mine was Red Velvet's Seulgi.  I'm close to Girl's Day's Hyeri."

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Tony An, who came out on the show to introduce Sumin, was unable to hide he was taken aback at the mention of his ex-girlfriend.  Sumin continued, "She's an alum."  Jo Se Ho said to Tony An, "It's okay."  

Tony An said back, "It's weird because you said, 'It's okay,'" making everyone laugh. Watch the funny moment above.