KOREAN U-KISS (유키스) uBEAT uBEAT – Should Have Treated You Better (있을 때 잘해줄 걸) 있을 때 잘해줄 걸 isseul ttae jalhaejul geol “Should Have Treated You Better” [EP]있을 때 잘해 줄 걸 2013.04.21 Eli, AJ,…