This plot is absolutely one of the boldest new works in recent times. As a highly acclaimed surgeon, Nagisa Rensei saves a severely injured man with a strong sense of duty. However, this man turns out to be a heinous rapist. After he recovers, instead of showing gratitude, he exploits Nagisa's vulnerabilities and drags her into a vortex of continuous sexual violence. The work primarily revolves around Nagisa's psychological shift from resistance to gradual submission, ultimately "falling into the gang rape swamp"—this is the most impactful element of the title. In terms of the plot, there are several points worth praising: First, the use of medical scenes is quite innovative, with the harsh lighting of the operating room and the cold texture of medical instruments creating a stark contrast to the subsequent violent sequences, which effectively stimulates the audience's emotions. Second, Nagisa Rensei's character design attempts to give the female lead more depth: she's not just a simple victim but a modern woman with a professional aura, making her downfall all the more tragic. However, this is also where the problem lies—the script's portrayal of her psychology is overly simplified, lacking sufficient buildup. The transition from resistance to surrender feels more like it's serving the plot's needs rather than authentically reflecting the character's inner struggles. Of course, the soul of the film lies in Nagisa Rensei's performance, where she showcases a transformation from calm professionalism to utter helplessness, especially in certain close-up shots where her eye expressions truly convey the character's sense of powerlessness. But to be honest, director "Shoten Shiro" seems more focused on piling up the erotic scenes rather than delving into the character's inner depth, which diminishes the overall emotional impact of the film. I must say straight up, this film handles the themes of "coercion" and "degradation" in a somewhat controversial way. As an entertainment medium, AV often treads the moral gray area, but START-376's plot design undoubtedly pushes the audience's ethical boundaries. Portraying a doctor who has saved countless lives as someone who ultimately succumbs to violence is quite bold, especially in the current social climate where issues of sexual violence are increasingly sensitive. Furthermore, the film tries to explore the relationship between power and domination, but this exploration feels superficial and incomplete. The director appears more intent on presenting the visual effects of "degradation" rather than digging into the character's psychological motivations or social context. This makes the film come across at times as exploiting moral dilemmas rather than genuinely reflecting on them. Compared to other works in the same vein, such as certain European and American adult films that center on psychological manipulation, START-376 falls short in terms of depth. All in all, START-376 is an ambitious work that ends up feeling somewhat compromised in execution. It attempts to blend eroticism with plot depth through a medical backdrop and themes of moral collapse, but ultimately, due to insufficient psychological portrayal and overly formulaic erotic scenes, it comes off as starting strong but fizzling out. Nagisa Rensei's performance and the production's effort are the highlights, but the script's simplification and the director's overreliance on erotic elements prevent the film from fully realizing its potential. If you're a viewer who enjoys plot-driven AV, this film might appeal to you because of its medical setting and character design; but if you're looking for deeper human exploration, it might leave you disappointed. In the end, I have to say, this film is like a dish that's visually and aromatically appealing but undercooked— it smells great, but lacks that lasting aftertaste.