Tamaki Koji is a Japanese singer-songwriter and musician known for his contributions to the J-Pop genre. He gained popularity in the 1990s and is recognized for his emotive vocal style and heartfelt lyrics. His music often blends elements of pop and rock, appealing to a wide audience. In addition to his solo career, Tamaki Koji has been a member of the band Anzen Chitai, which has also enjoyed significant success in Japan. His work has earned him numerous awards and a dedicated fan base, making him a prominent figure in the Japanese music scene.