Ranma Meets Love Head-On! Enter the Delinquent Juvenile Gymnast!
Ranma wo Gekiai! Shintaiso no Sukeban Tojo
"When the entire Furinkan High Martial Arts Rhythmic Gymnastics Club is injured before their match with St. Hebereke High School, the members ask Akane to step in. When Kodachi, captain from the rival school, hears this, she plans an ambush! " (source)