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Sir...

Sir...

by

LJ Langdale

When the ultimate manipulator meets a man she cannot control, submission becomes the most powerful choice she's ever made.
Lydia Johnstone has spent years perfecting the art of manipulation. Brilliant, beautiful, and utterly calculated, she knows exactly how to dominate every interaction—until Professor James Matthews dismantles her carefully crafted argument in front of his entire behavioral science seminar.
British. Meticulous. Unbreakable.
Matthews sees through every defense Lydia has constructed since a school shooting shattered her world at fifteen. Their collaboration on trauma research should be purely academic, but as late nights in his office blur into intellectual intimacy, the boundaries between professor and student begin to fracture.
Matthews offers something Lydia never knew she craved: structure through surrender. His dominance isn't crude—it's psychological precision, calculated intensity that transforms denial into exquisite awareness. Each trust exercise pushes her beyond what she believed possible. Each choice between physical release and deeper knowledge reveals more about herself than any therapy ever could.
But beneath Matthews' perfect composure lies devastation that shaped everything he became. His need for absolute order isn't preference—it's survival. His methodical approach to dominance isn't about power—it's about creating safety in a world that taught him chaos and cruelty.
As their research into trauma responses becomes a mirror for their own transformation, Lydia must decide how far she's willing to go. Academic relationships exist under constant scrutiny. Discovery could destroy both their careers. And beneath the professional risks lurks a more fundamental question: can two people who've spent their lives protecting themselves through rigid control risk the kind of genuine connection that requires dismantling every defense?
When Matthews finally shares the devastating truth about his childhood, Lydia realizes that everything she understood about power and submission has been transformed. This isn't about breaking down a strong woman—it's about two brilliant, damaged people finding in each other what they've never found anywhere else: someone worthy of the terrifying act of genuine surrender.
A dark academia romance exploring the psychology of power, the neuroscience of desire, and the profound intimacy possible when two people risk everything to be truly seen.

More Details

IAC Main Tropes:

BDSM

Detailed Tropes:

trauma, D/s, academic

Representations in This Book:

BIPOC, LGBTQA+, Mental Health, Mental Illness

Age Groups:

Adult

Spice Level:

Level 5

Available Formats:

Paperback, eBook

Content Information:

Level 4

Explicit sexual content, BDSM dynamics, discussions of childhood abuse and trauma, PTSD, professor-student relationship

Links to Purchase

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Other Books in the

Sir

About the Author

LJ Langdale

LJ Langdale is a British author debuting with SIR, a dark academia romance that explores the psychology of power and surrender. Fascinated by how trauma shapes human behaviour and the courage required for genuine vulnerability, LJ writes psychologically complex romances where intelligence meets intensity. He lives in Swindon, England, with far too many books and an unhealthy obsession with perfectly structured character arcs.

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