Project girl group fromis_9, of Mnet's 'Idol School', have released their second batch of individual and group teaser images.

SEE ALSO: HyunA faces backlash for talking candidly about her boyfriend Junhyung on 'Jo Hyun Ah's Thursday Night'

For their debut mini-album 'To. Heart', fromis_9 will be going back to school with a pure and friendly image. The members continued to give off vibes of a group of normal, high school girls enjoying their school lives. 

Look forward to more teasers from fromis_9, leading up to their complete debut on January 24 at 6PM KST.