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Seo In Guk was one of the celebrities to visit the jungle with the crew, and during his introduction, the staff noticed that the singer/actor is deathly afraid of bugs! You can see in the clip above just how freaked out he gets at the littlest bugs like moths (plus his cute reactions)!

Did you catch Seo In Guk and the rest of the gang on 'Laws of the Jungle in Mongolia'?