"Even if the sunroof was opened and the victim's belt was loosened, the body would still remain on the roof for a while."
Inspector Megure had a flash of insight, feeling that he had discovered a blind spot. He fixed the former street racer with sharp eyes. "In other words, although all three of you could open the sunroof at the designated location, making the body fall required an additional action—your inexplicable sudden brake on the way up the mountain!"
"You!" The blond slammed his hand onto the table and snapped, "Why are you so fixated on me?! What do you mean, an inexplicable sudden brake? There was a long object lying across a mountain road that should've been completely empty. Of course I had to brake! Was I supposed to run right over it? What if it had been a person?"
Inspector Megure was about to speak, but Jiang Xia beat him to it. "Don't worry. The inspector is only demonstrating exactly how the murderer framed you."
"Framed?" Hearing that, Inspector Megure immediately understood. He lowered his voice and muttered to Jiang Xia, "So the murderer wasn't him after all?"
Jiang Xia nodded. "The RV was going uphill at the time, so the body on its roof would have been more likely to slide off than when the vehicle was driving on level ground. Then there was the Plastic Mat.
"The reason the Plastic Mat was covered in so much blood was because the murderer placed it beneath the body. It reduced friction, while also increasing the body's surface area exposed to the wind. So the moment the sunroof opened and the belt came loose, the body wrapped in plastic would fly off and land on the stretch of road the murderer needed."
"I see." Inspector Megure looked somewhat