[Refrain]
Billy, Poco, Billy, Poco, yeah
Billy, Billy, Poco
Billy, Poco, Max, Chris
Billy, Poco, Billy, Poco, yeah
Billy, Billy, Poco
Billy, Poco, Max, Chris
[Verse 1: Heeseung, Sunoo, Sunghoon, Jake]
Heavy, heavy, one, my name is Billy (Billy)
Just talk to me, I'll push everything
Whether it's muddy sturdy wheels
Billy, Billy, strong friend Billy
Heavy, heavy two, my name is Poco (Poco)
Just tell me, I'll fix everything
I'm not afraid of any obstacles
Poco, Poco, cool friend Poco
[Chorus: NI-KI, Jungwon, Jay]
Oh, oh-oh, oh-oh, only trust us
Oh, oh-oh, oh-oh, go ahead!
Oh, oh-oh, oh-oh, stronger strength, strength
Oh, soaring high, high (Hey!)
[Refrain]
Billy, Poco, Billy, Poco, yeah
Billy, Billy, Poco
Billy, Poco, Max, Chris
Billy, Poco, Billy, Poco, yeah
Billy, Billy, Poco
Billy, Poco, Max, Chris
[Verse 2: Jay, Heeseung, Sunghoon, Jake]
Heavy, heavy three, my name is Max (Max)
Just talk to me, I'll listen
Nothing in the world is heavy
Max, Max, reliable car Max
Heavy, heavy four, my name is Chris (Chris)
Just talk to me, I'll protect you
Can overcome any difficulty
Chris, Chris, great friend Chris
[Chorus: NI-KI, Jungwon, Jay]
Oh, oh-oh, oh-oh, only trust us
Oh, oh-oh, oh-oh, go ahead!
Oh, oh-oh, oh-oh, stronger strength, strength
Oh, soaring high, high (Hey!)
[Bridge: All]
I'm heavy
We heavy, heavy
I'm heavy!
We heavy, heavy!
[Refrain]
Billy, Poco, Billy, Poco, yeah
Billy, Billy, Poco
Billy, Poco, Max, Chris
Billy, Poco, Billy, Poco, yeah
Billy, Billy, Poco
Billy, Poco, Max, Chris