One is Never Enough by Kali Noir is a captivating exploration of human desires, consequences, and the intricate dance between excess and satisfaction. In this deeply philosophical yet entertaining novel, Noir creates a vivid tapestry of characters each chasing their seemingly unattainable desires in a sprawling urban setting, weaving their stories into a compelling narrative that examines modern life’s complexities.

The novel centers around five main characters: an ambitious tech entrepreneur, a struggling single mother, a disillusioned academic, a burgeoning artist, and a retired professional athlete. Each character is distinct, not only in their current life circumstances but also in their internal struggles and dreams. Noir excels in character development, crafting realistic, flawed individuals whose journeys offer a mirror to our own desires and fears. The entrepreneur, with her relentless pursuit of wealth and status, embodies the perilous allure of never being satisfied, no matter the success. Conversely, the artist’s struggle represents the purity of passion unadulterated by commercial success but plagued by poverty and obscurity.

Set against the backdrop of a dynamic city that never sleeps, One is Never Enough delves into the concept of 'enough.' Through her narrative, Noir poses challenging questions: What is enough? Can one ever truly have enough, or is human nature intrinsically greedy? These philosophical queries are skillfully interlaced with the characters' personal stories, making the novel not just a story about individuals but a broader commentary on society.

Noir’s writing style is both eloquent and accessible, rich in metaphors and similes that paint the urban landscape vividly. Her descriptions of the bustling city with its twinkling lights and shadowed alleys create a setting that is almost a character itself. This setting serves as both a promise and a threat, offering dreams and dangers alike. Noir's dialogues are sharp and witty, revealing the characters' deepest vulnerabilities and strengths, often leaving the reader with lingering thoughts about one's conduct and choices in life.

An intriguing aspect of One is Never Enough is its structure. Noir chooses a non-linear storytelling method, which initially might confound readers. However, as the novel progresses, this choice enhances the complexity of the narrative, reflecting the chaotic, interwoven lives of the characters. This method also beautifully mimics the central theme of the novel—the chaos of desires, the overlapping and often conflicting ambitions and fears that drive human behavior.

Despite its strengths, the book does face certain pitfalls. At times, the philosophical musings can feel a bit heavy-handed, potentially alienating readers who are more interested in the plot than introspection. Moreover, the non-linear timeline, while inventive, sometimes disrupts the pace, making it difficult to maintain continuity. However, these moments are few and are outweighed by the novel's acute insights and the compelling narrative drive.

One of the most powerful elements of Noir's writing is her ability to evoke empathy. As the novel unfolds, readers might find themselves rooting for characters they might not admire, understanding choices they wouldn't make themselves. This emotional engagement is a testament to Noir's skill as a storyteller and her deep understanding of human emotions and psychology.

One is Never Enough is a thoughtful, well-crafted book that will appeal to readers who enjoy deep dives into characters’ minds and societal critiques. It is a book that encourages reflection, urging its audience to consider their definitions of success and satisfaction. Noir has written a potent reminder of the endless human quest for more—more love, more success, more acknowledgement—and the potential emptiness that quest can leave in its wake.

In conclusion, Kali Noir's One is Never Enough is both a mesmerizing and thought-provoking read. It casts a sharp, often unflattering, always insightful light on the human condition. For those who seek a narrative that challenges the spirit as much as it entertains, Noir’s latest novel is undoubtedly a compelling pick. While its narrative technique may not cater to everyone's tastes, its bold examination of the extremes of human desires makes it a significant piece of contemporary literature, worth reading and reflecting upon.