The magazine has no stains. The DVD is unopened. Thank you. [DVD Special Features] Nobuteru Taniguchi's cornering theory, "Don't Leave the Brakes: Practical Driving Commentary," is a treasure trove of footage that meticulously recreates the essence of Taniguchi's driving, with his own commentary. In addition, the DVD includes features to help you enjoy learning about car setup, such as "Garage 4413 Representative Yoshikazu Takamura's Secrets to Adjusting for Understeer/Oversteer on the Spot" and "Mitsuhiro Kinoshita x PANSPEED FD3S RX-7: How to Achieve the Ideal Suspension Setup." The "National Circuit攻略 Guide" series, where we hear from local experts, features the Nihonkai Maze Circuit. [Magazine Special Features] The magazine's driving technique feature is "Introduction to Sports Driving." It covers essential information for those new to circuit driving, and also includes content that will provide new insights for intermediate drivers who are struggling to improve their lap times. The tuning features include "The Effectiveness of Simple Body Reinforcement Parts," "Testing the Performance of Popular Oils & Coating Agents," and "Latest High-Grip Radial Tires: POTENZA RE-12D vs ADVAN A052," among others. Each feature includes test reports to answer readers' questions!