Is The Eminence In Shadow Based On A Light Novel?

A witch who has lived for thousands of years has grown bored with her own life and decided to leave it. Since she is an immortal, her soul cannot leave the world. However, what she can do is transfer her soul to another body. By a stroke of luck, she happens to enter the body of a princess. She was considered a miracle because when the Empress gave birth to her, the princess instantly died, along with the Empress. What the witch didn't know was that she has entered such a predicament. She has to endure the love of the cruel Emperor and possessiveness of the crazy twin princes! What will her life be at the hands of such a loving family? In addition, it seems that this body contains mana that was lost in the royal family centuries ago!

The injured Shadow was thrown into the novel made by her best friend's fiance, unwillingly. When she opened her eyes, a high graphic game-like message flickered in front of her eyes. [{Welcome mortal} - Register name: Shadow - Gender: handsome lady - Code name: SS50 - Title: The Emperor of the Underworld. - Height: 150cm (short)] After she received the bizarre message from supposed trusted companions, the sense of betrayal messing up her whole system, driving her tired mind to the beyond insanity. And she knew she was done for.

The moment our magic touched, something shifted. My shadows didn’t fight his light this time. They reached for it instead, curling around the gold like they belonged there. “Lyra,” Kaelen said quietly, closer than I expected, “don’t force it.” “I’m not,” I whispered. That was the problem. I wasn’t controlling it at all. The connection deepened—raw, seamless, alive—threading through me like it had always been there. No resistance, balance. Just power. His gaze locked on mine, sharp with something I couldn’t ignore. “You feel that too,” I said. “Yes.” The answer came instantly. And it unsettled me. Because if he felt it too… then this wasn’t just my power. It was something else. Something neither of us understood. And for the first time since my magic awakened—I wasn’t sure if it made me stronger… or more dangerous. ---- Lyra Vale never asked for power. But when the crystal chose her, something ancient awakened—shadow magic thought to be dead for centuries. Feared. Forbidden. Alive inside her. Sent to the Royal Magic Academy under strict control, Lyra is told to suppress it. To become safe. But her magic refuses to be controlled. It grows. Prince Kaelen is the only one strong enough to counter it—his light magic the perfect balance to her shadows. He was meant to contain her. Instead, he becomes the only thing keeping her grounded. But something is wrong inside the Academy. Students are losing control. Hidden forces are moving beneath the surface. And someone is always watching Lyra. The truth is worse than rebellion or dark magic. Lyra was never meant to control the shadows. She was meant to awaken them. And when the truth comes out, she won’t just choose between light and darkness— She’ll decide who she becomes.

Pledged by birth to ancient obligations he barely understands, the unnamed heir grapples with a destiny that demands secrecy and sacrifice. Cloaked in shadows within his ancestral keep, he learns to read arcane symbols whispered through generations. When political machinations from the gilded twilight city threaten to expose his lineage—and his potential—he must navigate deception and hidden loyalties to claim what is rightfully his. Guided by a devoted guardian, and haunted by the weight of prophecy, he must choose whether to embrace the power he fears or shatter the silence that has long protected him.

Evy was a simple-minded girl. If there's work she's there. Evy is a known workaholic. She works day and night, dedicating each of her waking hours to her jobs and making sure that she reaches the deadline. On the day of her birthday, her body gave up and she died alone from exhaustion. Upon receiving the chance of a new life, she was reincarnated as the daughter of the Duke of Polvaros and acquired the prose of living a comfortable life ahead of her. Only she doesn't want that. She wants to work. Even if it's being a maid, a hired killer, or an adventurer. She will do it. The only thing wrong with Evy is that she has no concept of reincarnation or being isekaid. In her head, she was kidnapped to a faraway land… stranded in a place far away from Japan. So she has to learn things as she goes with as little knowledge as anyone else. Having no sense of ever knowing that she was living in fantasy nor knowing the destruction that lies ahead in the future. Evy will do her best to live the life she wanted and surprise a couple of people on the way. Unbeknownst to her, all her actions will make a ripple. Whether they be for the better or worse.... Evy has no clue.

Xalara Silvyn, a seemingly powerless girl from the Shadowveil slums, is claimed as a fated mate by Cassian Holt, heir to a powerful noble house of ember magic. After being brought to his estate, she discovers their bond was merely Cassian's temporary fascination. At his engagement gala to Vionna Kress, he publicly betrays Xalara, relegating her to servitude under his cruel fiancée. As Vionna systematically humiliates Xalara, the crystal pendant Xalara found in a hidden chamber beneath the Veil becomes her sole comfort. With help from Cassian's brother Verin, she learns the crystal may connect to House Silvyn—a noble family of essence-based primal magic supposedly destroyed centuries ago. When Vionna arranges to transfer Xalara for potentially fatal bond severance after her wedding to Cassian, Xalara's desperate situation takes an unexpected turn. During the wedding feast, she encounters Lord Elaric Nox, a feared shadow magic tyrant avoiding political marriage proposals. After overhearing his frustrations with traditional arrangements, Xalara's impulsive quip "Where do I sign?" intrigues him. Elaric's emissaries arrive at the wedding with a formal offer—a contract marriage of mutual benefit. Elaric gains a shield against political marriage pressure while offering Xalara protection from Vionna and access to knowledge about her crystal and heritage. Their three-year contract specifies a purely practical arrangement with no emotional obligations. At House Nox, Xalara begins training in essence magic under Elaric's guidance, discovering her "minor" warming ability is actually rare primal magic thought extinct. As she awakens to her true abilities and learns about her possible connection to House Silvyn, the bond with Cassian naturally fades. Meanwhile, a complex but respectful dynamic develops between Xalara and Elaric as they navigate their unconventional arrangement.