EXO's KAI's first solo tour "KAION" ends successfully, "I couldn't be happier"... SEHUN also makes a surprise appearance
KAI (EXO)'s first solo tour "KAION" was a huge success in 10 Asian regions...Next stop: North America
"TOMORROW X TOGETHER" member Yeonjun's first solo album tops the US Billboard 2 chart... and reaches 10th place on the "Billboard 200"
