The 4K version also includes a (JP only) and a 12-minute making-of featurette focusing on the lighting rig setup.
Since its release, has garnered attention not just for its content, but for its technical bravery. Reviewers on specialist forums noted: IPZZ-214 4K
Regardless of the resolution, S1 productions are noted for: The 4K version also includes a (JP only)