Cube Entertainment has released profile shots of ballad group A Train to Autumn. 

Jihyeon, Ahyoung, Subin, and Somi previously released their tracks "A Watercolor of a Rainy Day" in July of 2018 and "The Season You Were In" in November later that year, and it looks like they may be making a comeback soon. Though A Train to Autumn haven't been actively promoting, the ballad group is due for a release.

Stay tuned for updates on A Train to Autumn.