[Verse1] – [Krystal]
Nagagi jeon bunmyeonghi dadadwosseossdeon
Yurichangi yeollyeoisseo
[Amber]
Naega ilkda jeokdanghi jeobeodwosseossdeon
Soseolchaekdo pyeolchyeoisseo
[Bridge1] – [Luna]
(F(x) – Baram) gyeolcheoreom geudaen danyeogasseulkka
Naega jaril biun sai
[Victoria]
(F(x) – Micheo) jiuji moshan heunjeokdeurilkka
[Chorus] – [F(x)]
Aetaneun naegero (Luna – Yey yeah~)
Eodum sok naerin
[Luna]
Dalbicceul ttarawayo Yey yeah oh~
[Hook] – [Krystal]
When I’m A When I’m Alone
When I’m A A
(Luna – When I’m Alone)
[Krystal]
When I’m A When I’m Alone
When I’m A A
When I’m A When I’m Alone
When I’m A A
[Verse2] – [Victoria]
Modu da nae chakgagil geora malhaneun
Chingudeulgwa eomma appa
[Luna]
Neoneun sangsangryeogi jinachidamyeo
Useul ttaemada na mami apa
[Bridge2] – [Amber]
(F(x) – Kkoccip) tteoreojyeo issdeon chimdaee nuwo
Geudael sangsanghada bomyeon
[Krystal]
(F(x) – Bitter) ttoneun Sweet haejyeo
Jamdeulji mothae
[Chorus] – [F(x)]
Aetaneun naegero (Krystal – Yey yeah~)
Eodum sok naerin
[Krystal]
Dalbicceul ttarawayo (Luna – Ttarawayo~)
Yey yeah oh~
[Hook] – [Luna]
When I’m A When I’m Alone
When I’m A A
[Bridge3] – [Krystal/Amber/Victoria]
Nan changeul gadeuk yeoreo
Geudaereul gidaryeoyo
[Luna]
Kkok naega honjail ttae babe oh oh
[Krystal/Amber/Victoria]
Na nuneul gameun sungan
Barami ibeul majchwo
[Luna]
Kkok naega neol neukkil ttae babe oh~
[Pre-Chorus] – [Luna]
Eunmilhi naegero~ (Krystal – Yey yeah~)
Amudo~ (Krystal – Yey yeah~)
Nae mameul ttarawayo (Victoria – Nae mameul)(Krystal – Yey yeah~)
[Hook] – [Krystal]
When I’m A When I’m Alone
When I’m A A
[Chorus] – [F(x)]
Aetaneun naegero
[Amber]
Yey yeah (Luna – Yey yeah! )
Eodum sok naerin
[Luna Lead/Victoria]
Dalbicceul ttarawayo
[Amber]
Yey yeah (Luna – Yey yeah~)
[Hook] – [Amber]
When I’m A When I’m Alone
When I’m A A
(Luna – Dalbicceul ttarawayo)
[Krystal]
When I’m A When I’m Alone
When I’m A A
(Luna – Nae mameul ttarawayo)
[Victoria]
When I’m A When I’m Alone
When I’m A A
(Luna – Neon mollae danyeogayo)
[Amber]
When I’m A When I’m Alone
When I’m A A
(Luna – Eoseo nal deryeogayo)
[Krystal]
When I’m A When I’m Alone
When I’m A A