ELEMENT•11

ELEMENT•11 is a nine-member J-pop idol group formed by Halftone Stereo in 2018. The theme of the group is elements.

History
In late 2017, the newly-formed record label Halftone Stereo held an audition for their third major idol group on the outskirts of Inkopolis. It was later announced in early 2018 that the group would also feature members from the idol group Bell, which was set to disband that same year.

The group was announced in the summer of 2018, along with its final lineup of members.