Lyrics — "Decode My Heart (삐삐!)"
[Verse 1: Mimi, Rin]
Beep beep, ullineun secret sign
Nun kkamppakhal saie open my eyes
Pastel binnaneun cloud screen wi-e
Neowa nae bimireul taepinghae, yeah!
[Pre-Chorus: Chae-A, Yuna]
One, two, three, let the countdown start
Du-geun-du-geun ttwineun my heart
Amhohaedogeun imi done, are you ready?
Sesangeseo gajang dalkomhan jump!
[Chorus: All, Yuna, Rin]
Decode my heart, bbi-bbi! Majchwobwa candy code!
Shining like a star, urimanui rainbow road!
Kkumgyeol sogeuro dive, teojineun pop pop pop!
Neowa hamkkeramyeon we will never stop!
Tick-tack, unlock the magic key
Decode my heart, uri dulmanui dream!
[Verse 2: Chae-A, Mimi]
Joystick ready, level up hae bolkka?
Pink pixel haetnim, banjjagineun superstar
Jjarithan combo, non-stop high score
Deo keuge oechyeobwa, give me some more!
[Chorus: All, Chae-A, Mimi]
Decode my heart, bbi-bbi! Majchwobwa candy code!
Shining like a star, urimanui rainbow road!
Kkumgyeol sogeuro dive, teojineun pop pop pop!
Neowa hamkkeramyeon we will never stop!
Tick-tack, unlock the magic key
Decode my heart, uri dulmanui dream!
[Bridge: Rin, Yuna]
Eoduun bami chajawado don't worry now
Urimanui bitcheuro hwanhage brighten up
Sonjaba, take my hand, haneul nopi naraolla
(Yeah, let's fly away!)
[Final Chorus: All, Yuna]
Decode my heart, bbi-bbi! Majchwobwa candy code!
Shining like a star, urimanui rainbow road!
Kkumgyeol sogeuro dive, teojineun pop pop pop!
Neowa hamkkeramyeon we will never stop!
Tick-tack, unlock the magic key
Decode my heart, yeongwonhan uri dream!