Promise Nine, confirmed on June 5th comeback on 'Idol school' shows

The girl group Promise Nine (fromis_9) is confirmed to be comeback with the second mini album on June 5th. It is a comeback for five months since the first mini album 'To Heart' which was released in January. 

Cable Channel Mnet "Idol School" was formed as a group Promise Nine, Nogi Line, Song Ha Yong to Jang Gyuri, nine different members of the charm attracted viewers at the time of the show has a solid fan base. 
Following the prelude to the debut song "Glass Slipper" and "Two Hearts" in Mini 1, I was loved by appealing to the public for pure images. 

In particular, the survival program "Produce 48", which is newly prepared by Mnet, is scheduled to be airing in June, so the attention is focused on how the Promise Nine will be selected first after the fierce competition at the "Idol School".