Fujimaki Shun enters high school with no gymnastics background but immediately joins the school's gymnastics club, driven by a fiercely ambitious Olympic gold medal dream. His sensitive, comedic personality and outwardly frail appearance mask a remarkable inner determination that remains steadfast throughout his journey.

As a complete novice, Shun commits to rigorous training, steadily evolving from unskilled beginner to capable gymnast. This central progression arc showcases his relentless drive to conquer physical and technical obstacles, highlighting themes of athletic dedication and personal fulfillment through sport.

His relationships with supportive and entertaining upperclassmen enrich his team experiences, while a developing romantic interest with a female classmate further integrates him into the school's social fabric. These interactions collectively fuel his personal growth.

Shun emerges as an inspirational figure whose narrative embodies real-world athletic perseverance, emphasizing continuous effort toward monumental goals rather than instant victory.