Kotone Sawanatsu

As a talented martial artist raised by a karate master, this primary female protagonist joins the Soft Tennis Club to master a brand-new discipline. Driven by immense athleticism and a stubborn determination to reach the top, she works tirelessly alongside her partner, Asuna, and the club's coach, Mishigami. However, her journey toward becoming a champion is complicated by her growing romantic feelings for her coach, adding emotional tension to her intense athletic pursuit.