Atsushi Kamiya rose from vice-captain to captain of Kakegawa High School's soccer team following Yoshiharu Kubo's death, steering the team through turmoil with strategic thinking and responsibility. He upheld Kubo's legacy of unity and enjoyment in soccer, later honoring Kubo's wish by assigning the iconic No. 10 jersey to Toshihiko Tanaka.

His playmaking prowess, defined by sharp, confusing passes, evolved until he ranked among the nation's top midfielders, drawing comparisons to Kubo in leadership and technique. After graduation, he launched a professional career in Europe. His performances there secured a spot on the Japanese national team and earned him the moniker "courageous captain" for a leading Italian club.

Personality-wise, Kamiya often projected rudeness or conceit, especially during middle school where his selfish play caused friction. Kubo's influence cultivated his underlying kindness and profound commitment to the team's success. As captain, his quick strategic mind and motivational skills proved vital; he resolved factional divisions within Kakegawa—pitting tradition against modern play—by orchestrating a decisive practice match. His intervention unified the team toward shared goals.

Years later, he returned to coach Kakegawa High's weakened soccer program. His tenure focused on revitalizing the team and mentoring disengaged talent like Hideto Tsuji, leveraging his professional experience and prior school leadership to open a new chapter for Kakegawa soccer.

His name reflects his traits: "Atsushi" combines "sincere" (篤) and "officer" (司), while "Kamiya" derives from "deity" (神) and "valley" (谷). His legacy bridges generations within Kakegawa's soccer history, transitioning from player to coach.