N.Flying have released the second teaser for their single "Lonely," and it features the same melancholic piano chords you heard in the first teaser. 

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While the first teaser only showed the tops of the boys' heads, we get a full glance at their faces this time around. Not much is going on here, and it's still hard to tell what kind of vibe the groups is going for with this song. But the mystery shall be solved soon--in three days to be exact, so stay tuned for the full release on October 22!