In the teaser video above, the camera gets closer and closer to the members of fromis_9 starting from 10 meters. As previously reported, Mnet's 'Idol School' made their pre-debut with "Glass Shoes". They'll now be making their official debut with a mini album 'To. Heart'.
The girl group will be dropping 'To. Heart' on January 24 KST. Stay tuned for updates on fromis_9!