Usung Konsep Anak Sekolah, cignature Comeback dengan Mini Album ke-4 “Us in the Summer”

Geu eotteon maldo deon an pillyohae

So give your heart

Naegero, yeah

It's smooth, smooth sailing

Seumyeo deo gipi (neoneun mwonga dalla)

Good, good feeling

Daeul deut mal deut, give me more

It's smooth, smooth sailing

Seumyeo deo gipi

Ne saenggage on sesangeul da gajin gibun

Smooth sailing

Neoui mameul nan heumppeok jwigo (Oh, yeah, yeah)

Bamsaedorok neowa sumaneun yaegireul nanul geoya (Oh, yeah)

Naege saegyeojin neoui bimil sasohan geu modeun geol

In the cloud, in the sky, in my heart