For collectors, it is a non-negotiable jewel. For casual viewers, it offers a masterclass in how JAV can elevate itself to art direction, lighting, and atmosphere. And for RION fans, it is simply the most respectful, exquisite tribute ever filmed for her Jcup.
★★★★★ (5/5) – A timeless classic in the ultra-luxury genre. Disclaimer: This article is for informational and historical analysis of adult film production dates and stylistic concepts. All subjects are over 18 at time of filming. Viewer discretion is advised. Please comply with local laws regarding adult content. For collectors, it is a non-negotiable jewel
For newcomers, the code “SNIS-640” might look like random alphanumeric data. For connoisseurs, it signifies the peak of the “golden era” of RION—now known as Anzai Rion (安齋らら)—before her hiatus and return under a different name. This article unpacks every aspect of the film: the star, the “Customs” concept, the Jcup distinction, and why this title remains a benchmark for ultra-luxury JAV. Before discussing SNIS-640, one must understand the gravitational force at its center: RION . Debuted in 2013 under the alias “RION” (later changing to Anzai Rara/Anzai Rion), she was immediately hailed as a “perfect body” anomaly. With a height of 161cm (5’3”) and a bust measurement of 105cm, her J-cup breasts are naturally proportioned with minimal sagging—a rarity even in an industry known for exaggeration. ★★★★★ (5/5) – A timeless classic in the