[Picture] B1A4 Gongchan's 'Guess who' game

B1A4's Gongchan uploaded a photo on his Twitter.

On the 13th, Gongchan tweeted "Who could this be?". Along the message, he uploaded a photo with a dark shot of one of B1A4's member.

Guess who's in the picture!

Credits: skipfire @ FLIGHTB1A4.com