[Comeback] Digital Single: Butterfly Effect

 Watch it here:

EN:

BOL4's Digital Single 'Butterfly Effect'

"Don't fly away"

Moving Teaser #2

Releasing on 2021.10.26. @ 6PM KST

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KO:

볼빨간사춘기 Digital Single 'Butterfly Effect'

Moving Teaser #2

"Don't fly away"

2021.10.26. 6PM KST Release

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ZH:

脸红的思春期单曲

<不要飞走>

Moving Teaser #2

将在 2021.10.26. @ 6PM KST 发行