Siwon the derp strikes again. On the April 4th episode of MBC's 'Infinity Challenge,' Siwon had the cast bursting into laughter when he showed off a picture of his "fortune cookie." 

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In order to compete for the coveted sixth regular member position on the cast of 'Infinity Challenge,' Siwon offered a presentation of his merits. In the clip shown above, Siwon wins his audience over with his very first slide, in which he says, "Because of my bold clothes, I have received the nickname of 'fortune cookie' ^^. Please look up 'Choi Siwon's fortune cookie' in a search bar!" He saves his viewers the trouble by showing a picture of that said "fortune cookie," which can be seen... on Siwon's crotch. 

At this, Kwanghee protests, "He keeps trying to show off his sex appeal!" What do you think, ladies? Is this Siwon's sexiest look yet? 

On the same episode, Kang Kyun Sung did an impression of Siwon's smile. The moment can be seen at the 2:15 mark in the clip below.