wegirls were announced in october 2017. they opened a makestar where fans could donate money for their debut and pick what concept they wanted and pick a leader / center! it closed on january 24th, 2018 with 107.4% of the goal reached. link
some of the members have left wegirls, and new ones have been added. they debuted august 31st with their new lineup. they debuted with the company aftermoon entertainment.