Take Care of My Sister (妹をよろしく Imoto o yoroshiku?) is the 19th chapter of the manga and the third chapter of the Martial Arts Rhythmic Gymnastics Arc. In the schoolyard before classes start Kodachi appears out of nowhere and attacks Akane. She soon sees Ranma and begins to chase and hug him. Tatewaki Kuno, with visions of Akane in a leotard dancing through his head pops up and approves of Kodachi and Ranma going steady.