Who do you find smart among idols? Not book smart, but like naturally smart. For me on the first place are: Sooyoung, Sunny, G.O and Gyuri. I love them so much bc of it. They just seem very bright to me. Most of BTOB seem like it too, especailly Changsub (will never forget how nice and helpfull he was to Umji during her hard times), Hyunsik, Minhyuk.... From newer generation, maybe, Jisoo, Nayeon, Dahyun, Jungyeon, Wheein, Donghyuk and RM, but I am not sure since I dont follow them a lot (I just listen music nowdays and watch some regular Korean shows). I just love how those idols easily handle some touchy situations and dont take bs from anyone.