Tracklist:
A1 on the street (solo version) (3:11)
A2 i wonder... (with Jung Kook of BTS) (2:43)
A3 lock/unlock (with benny blanco & Niles Roger (3:01)
A4 i don't know (with HUH YUNJIN of LE SSERAFIM) (3:03)
A5 what if... (dance mix) (3:16)
A6 NEURON (with Gaeko & YOON MIRAE) (4:33)
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