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ICHILLIN' | Duración : 01:32

Escritor: JACKIE (ICHILLIN'), JOONIE (ICHILLIN'), 재키 (ICHILLIN'), 주니 (ICHILLIN')

Compositor: kimbaland, JACKIE (ICHILLIN'), Perrie, Oh Hyoung Seok (Stupid Squad), RYVNG (Stupid Squad), Maynine(Stupid Squad), 재키 (ICHILLIN'), 오형석 (Stupid Squad), Maynine (Stupid Squad)