Nagashima's story began with immediate stardom upon joining the Yomiuri Giants, famously hitting the first home run in a professional game attended by the Japanese emperor in 1959. His impact on baseball was profound; he secured the Central League batting title six times and played an instrumental role in winning two Japan Series championships as their manager. Chief cabinet secretary Yoshimasa Hayashi reflected on Nagashima's vibrant spirit, highlighting the enduring dreams he inspired within Japan's society through his remarkable achievements in baseball.