elris has been training together for 3 years before debut.
some of the concepts they want to try: girl crush , strong and dark concept.
elris stands for (e)xcellent (l)ovely (r)ainbow (i)nnocent (s)ister.
according to them ''they want to be lovely girls who show lots of colors like a rainbow has a lot of colors'' . asl their name how you say it/written is alice in korean... so they have a little alice in wonderland conceptish in their debut mv.