Gesu no Kiwami Otome. and indigo la End's contracts have expired. 

According to Space Shower Network's official website, contracts for both bands expired on December 31, 2016, and they decided not to renew their contracts. A comment has been published on Space Shower Network's official website, stating, "Although our contracts have expired, please continue to support 'indigo la End', 'Gesu no Kiwami Otome.', and the members." 

Gesu no Kiwami Otome. and indigo la End put a halt to their activities on October 3 after Kawatani Enon (Vo, G) was revealed to be consuming alcohol with a minor. 

Source: natalie