ASTRO are making a comeback in about a week, and after dropping several teaser images, they have shared the track list to 'Summer Vibes,' their second mini album. 

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A total of six tracks are on the album, and one of them is an acoustic version. From what we can tell, it seems "Breathless" will be the title track, so be sure to keep an eye out for an MV on July 1 at midnight (KST)!