Sota Jonouchi, a popular second-year at Ionodai High School, thrives on showing off and brings infectious enthusiasm to the school's skate-leading club, which introduced him to the sport. His extroverted, amiable, and dedicated personality shines through his willingness to assist teammates and his fierce passion for skate-leading. He shares a friendly rivalry with fellow skater Reo Shinozaki, each pushing the other to hone their skills and reach their goals.

Driven to become a top-level skater, Jonouchi trains rigorously. His journey involves confronting personal challenges like self-doubt and anxiety, alongside external obstacles such as formidable rivals and unexpected injuries. These setbacks demand he constantly push his limits, demonstrating perseverance in training and competition. Support from friends and fellow skaters proves vital in navigating these difficulties.

As a member of the Shadow team, Jonouchi deeply admires captain Hayato Sasugai. He approaches skate-leading with creativity and independence, often crafting his own routines. This process reveals his introspective side, as he reflects on past experiences to shape his current style. He lives intensely in the present, focusing on immediate experiences, which fuels his spontaneous and excited performances. He also takes criticism about his work or personality seriously.

Throughout his development, Jonouchi learns to trust teammates and collaborate more effectively. During Grand Prix competitions, frustration surfaces when team strategies stifle individual expression, leading him to advocate for trusting teammates' instincts. Moments of poor team placement test his resolve and trust in leadership, contributing to his growth in understanding teamwork and resilience. His journey highlights his progression in managing personal doubts while maintaining dedication to both individual excellence and team success in skate-leading.