Kōji Tamaki, born on September 13, 1958, is a celebrated Japanese singer-songwriter and actor, renowned for his emotive vocal prowess and captivating performances. As the frontman of the iconic rock band Anzen Chitai, which debuted in 1982, Tamaki played a pivotal role in shaping the sound of Japanese rock throughout the 1980s. His solo career, launched in the '90s, saw the release of memorable hits like "Den-En" (1996), which remains a sought-after collectible among fans, with its iconic status reflected in its high chart rankings and impressive sales. Tamaki's acting career further enriches his legacy, with films such as "Chocolate Cosmos〜恋の思い出、切ない恋心〜" (2021) showcasing his versatility beyond music. Collectors are particularly drawn to his works for their cultural significance and the emotional depth Tamaki brings to each role. With a reputation as a "living national treasure," his releases, both in music and film, continue to resonate with audiences, making them treasured items in any collector's library.