“A Velvet Kiss After Dark” by T.A. Grey is indeed a titillating foray into the blend of romance and supernatural intrigue, encapsulating a complex love affair set against the ever-popular backdrop of creatures that linger in the shadows. This book delves into the convoluted relationship between Serena Donavan, a seemingly normal human with a buried lineage, and Dorian Volek, a charismatic vampire lord whose past is as mysterious as his motives. Grey's narrative is embroidered with lush details, seductive scenes, and a plot that weaves together both personal and supernatural conflicts.

At its core, the novel explores themes of identity, trust, and the fluid boundaries between good and evil. Serena, the protagonist, is an art dealer in the bustling city of New York. Her mundane life takes a drastic turn as she discovers her latent powers triggered by a rare, emotional upheaval. Grey uses first-person narration primarily from Serena's point of view, which adds a palpable layer of immediacy and intimacy to the story. The emotional depth Grey instills in Serena is palpable; she's a well-fleshed character whose internal conflicts and evolving feelings towards Dorian add significant weight to the narrative.

Dorian Volek is portrayed not merely as a brooding vampire, but as a being with a tortured past and existential dilemmas. What makes his character interesting is not just his supernatural prowess but his philosophical outlook and the contentious decisions he must make that challenge his centuries-old beliefs. His interactions with Serena are charged with an intense, magnetic allure that Grey captures magnificently. The dialogue between them crackles with tension, carrying subtexts that hint at larger, mysterious arcs.

The book's setting oscillates between the glittering urbanity of New York and the hidden, mist-shrouded world of the supernatural. Grey’s descriptions are vivid and engaging, painting both worlds with a keen eye for detail that pulls readers into the scenes. From shadowy corners of forgotten streets to the luxurious, archaic halls of Dorian’s mansion, the settings are almost characters on their own, adding critical ambiance to the unfolding drama.

However, "A Velvet Kiss After Dark" is not without its flaws. The pacing of the story tends to stutter in parts, especially in the middle segments where the romantic developments sometimes overshadow the progression of the main plot. Furthermore, while the secondary characters are intriguing, they occasionally feel underdeveloped and are used more as plot devices rather than being fully realized individuals that add to the depth of the story.

The narrative is also rich with erotic elements that are both a strength and a potential divisive aspect for readers. Grey’s depiction of intimacy is graphic and intense, designed to tantalize and tease the senses. For fans of romance and erotic literature, these passages will likely be thrilling, yet for others, they might seem a bit overplayed or distracting from the core narrative of supernatural conflict and personal growth.

Thematically, Grey does a commendable job in exploring the moral ambiguities of her characters. Both Serena and Dorian grapple with their internal demons and the external judgments of their worlds. The aspect of Serena dealing with her heritage and newfound powers is especially well executed, providing a thoughtful commentary on the nature of power and responsibility. Additionally, the novel subtly addresses issues of prejudice and the fear of the unknown, which resonates well within its supernatural framework.

In conclusion, “A Velvet Kiss After Dark” is a compelling blend of dark fantasy, romance, and suspense. T.A. Grey has crafted a world that is at once enthralling and fraught with tension, with characters that stay with the reader long after the story ends. While the novel could benefit from tighter pacing and further developed secondary characters, it stands as a robust entry in the paranormal romance genre. This book is recommended for those who desire a narrative that intertwines the sensual with the supernatural, offering both heat and heart in equal measure.