Their second album "∆ELTA" appeared in december 2016 and is remarkable for it's triangular shape.
The single 'Help, help, help' (with special 360° clip: https://youtu.be/Sg0k75zblDw ) appeared in October 2016.
The second single 'On and on' (Also with 360° clip: https://youtu.be/0mLWA1SR5AY) appeared in May 2017