Yoshiyuki Sadamoto ( character designer ) and The Pillows ( rock band ) will return for the sequel to the series FLCL on July 3 , 2016 .
The series will premier on Toonami in either late 2017 or early 2018.  Character designer Yoshiyuki Sadamoto and rock band The Pillows were later confirmed to be returning for the sequel series on July 3 , 2016.The official synopsis of the series was published by Adult Swim :
FLCL