The All-Japan Touring Car Championship (AJTCC) is a prominent motorsport series in Japan that features modified production cars racing on various circuits. Established in the early 1990s, it showcases a mix of manufacturers and teams, promoting competition among popular car brands like Toyota, Nissan, and Honda. Races typically take place on weekends, attracting fans and providing a platform for drivers to demonstrate their skills. The championship has evolved over the years, incorporating technological advancements and regulations to enhance safety and performance, making it a key event in the Japanese motorsport calendar.