Girl group hashtag debuted in October 2017, made a comeback with [haShtag 2nd mini album #Aeji #paSsion] on April 16. after a one-year and three months hiatus.

Hashtag revealed the teaser for member Aage, the title of [haShtag 2nd mini album #Aeji #paSsion], through its official SNS On the 15th, further raising fans' expectations. Then on the 16th, [haShtag 2nd mini album #Aeji #paSession] was released. The track has a total of five tracks, and you can see the various charms of the hashtag from the intense beat's title track ‘Freesm’ to emotional ballad ‘Hello Night.’

The hashtag appeared completely different, left a comeback message saying that they would reciprocate the fans who waited for them since they had a long hiatus. they also expressed that they will create a venue to meet with fans by creating various contents and events with a goal of making a comeback.