Keijo!!!!!!!!, also known as Hip Whip Girl, is a Japanese sports manga series by Daichi Sorayomi. It has been serialized in Shogakukan's shōnen manga magazine Weekly Shōnen Sunday since July 2013 and has been collected in thirteen tankōbon volumes. An anime television series adaptation produced by Xebec premiered on October 6, 2016.
The series centers around the fictional women-only sport of keijo, where players stand on floating platforms and aim to incapacitate or push their opponent into the water, using only their breasts and buttocks. The story follows Nozomi Kaminashi, a gymnast who trains at a keijo school, hoping to become the richest keijo player in Japan.