TAENGKEY BOX | Ask TAEYEON & KEY a Question! with "TAENGKEYBOX"! Hey kids these days, why do you have so many questions?. TAENGKEYBOX, a program that will full of TAEYEON&KEY’s trustworthy combination and special answers about anything from small questions to serious consultations. TAENGKEY BOX | Ask TAEYEON & KEY a Question! with "TAENGKEYBOX"! Hey kids these days, why do you have so many questions?. TAENGKEYBOX, a program that will full of TAEYEON&KEY’s trustworthy combination and special answers about anything from small questions to serious consultations.