As the description suggests, the film is a romantic narrative, and S1 is known for producing high-quality JAV content.
In the context of this specific title, 4K allows for a high level of skin texture and environmental detail, which is a standard selling point for premium digital releases.
Most SSIS-448 4K Fixed releases preserve the original or 5.1 surround . Ensure your soundbar or headphones are not downmixing incorrectly.