Up! × Flip That Megamix | Kep1er(케플러) / Loona(이달의 소녀) (feat. ITZY, Twice, MORE++)...

Hey everyone! I'm finally back with another mashup but this time, it's not just a regular mashup. It's a megamix with 16 songs! I really HAD to do a Flip That x Up! ever since they dropped the...