Bolbbalgan4 (Ahn Ji Young) has dropped a time table for ‘Puberty Book II‘, coming this May 13 such as the pre-release song “Butterfly and Cat”!

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This will mark Bolbbalgan4’s first comeback with a new album since member Woo Ji Yoon’s departure, leaving Ahn Ji Young as the sole member. According to the time table below, Bolbbalgan4 will be releasing a pre-release single featuring EXO’s Baekhyun this May 7 at 6 PM KST, titled “Butterfly and Cat“.

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Stay tuned for more on Bolbbalgan4 x Baekhyun’s “Butterfly and Cat”, as well as for the full release of ‘Puberty Book II’!