Who Is The Main Antagonist In Death Note Killer Within?

They killed me. Betrayed me. Buried me like I was nothing. I was Sera Nightshade, Luna of the Crescent Moon Pack, the most powerful werewolf territory in North America. For five years, I stood beside Damien Blackwood, my Alpha mate, believing in our bond, our love, our future. I gave him everything: my loyalty, my body, my soul. On the night of our official mating ceremony, with the full moon as our witness and the entire pack gathered to celebrate, he made his choice. Her. Vivian Cross, his childhood sweetheart, his secret mistress, the she-wolf he'd been hiding in the shadows for years. In front of everyone, he rejected our mate bond and claimed her instead. The pain of a broken mate bond should have killed me instantly, but I survived. Barely. That's when things got worse. They couldn't let me live. A rejected Luna who knew too many pack secrets, who had too much support, who might challenge his rule. So Damien and Vivian made sure I'd never speak again. They poisoned me, wrapped my body in silver chains, and threw me off Widow's Peak into the frozen river below. I felt every second of my death. The silver burning through my veins. The ice-cold water filling my lungs. The darkness swallowing me whole.

My fiancé suddenly announces he's marrying my sister instead. And just as my world collapses, the cold, noble Twinkle Oriven kneels before me with a diamond ring in hand. He confesses he's loved me for years. We get married. For three years, he's gentle, considerate, and flawless in every way. Then, one day, I accidentally overhear a conversation between him and a friend. "Twinkle, Amelie has everything she has ever wanted. Isn't it time to end this fake marriage?" "Since I can't marry Amelie, it doesn't matter who I marry. All that matters is that it keeps her life undisturbed." In the chapel where he prays every day, the wallpaper is covered with one name—Amelie Ashcombe. I hear him pray to the heavens. "May all the good in the world belong to Amelie. I'd trade my own happiness for her peace and joy. I don't ask to have her in the next life… I just want her to remember me." So this is the truth behind three years of a seemingly perfect marriage. I erase my identity and stage a fake death. From now on, Twinkle and I are nothing.

My mate Jackson died saving me in the great fire. I couldn't accept the truth that he was gone, so I decided to end my life by jumping into the silver pit. But the Alpha David saved me—twice—while making his rounds among the soldiers. He stayed by my side, comforting me, afraid I might try to take my life again. Slowly, I began to accept the idea of being claimed by him. But then, at his birthday party, I overheard something that shattered me. "I want to claim her as my Luna," he said, "but I still can't compete with her deceased mate, even after being with her for three years. She always pulls away when I get close, and I give up each time because I don't want to force her. But if she were to die for me... my wolf would be overjoyed—he would finally have found his fated mate, someone willing to die for him." I was stunned—especially by the plan he revealed next. So, before he could put it into action, I decided to fake my own death. That day, dressed in a wedding gown, I walked into the sea right in front of him. Later, I heard he went mad, deploying every soldier he could to search for me. But when all efforts failed, he was left alone, kneeling by the shore, sobbing like a broken mate— the sea answering him with only silence.

Stephen was getting hit by a shoe in the morning by his mother and his father shouting at him "When were you planning to tell us that you are engaged to this girl" "I told you I don't even know her, I met her yesterday while was on my way to work" "Excuse me you propose to me when I saved you from drowning 13 years ago," said Antonia "What?!? When did you drown?!?" said Eliza, Stephen's mother "look woman you got the wrong person," said Stephen frustratedly "Aren't you Stephen Brown?" "Yes" "And your 22 years old and your birthdate is March 16, am I right?" "Yes" "And you went to Vermont primary school in Vermont" "Yes" "Well, I don't think I got the wrong person, you are my fiancé" ‘Who is this girl? where did she come from? how did she know all these informations about me? and it seems like she knows even more than that. Why is this happening to me? It's too dang early for this’ thought Stephen

On the eve of her after wedding party, Lyra Dominic paid the ultimate price for trusting the wrong man… her Alpha husband murdered her with his own hands. But the Moon Goddess grants her a second chance. Reborn on the very day she’s meant to complete the mate bond with Adrian Massimo, Lyra wastes no time. This time, she won’t be the victim. She flees the mating ceremony and makes a bold move, straight into the hands of her husband’s sworn rival… Killian Castillo, the ruthless Alpha who answers to no one. What began as a desperate alliance quickly spirals into something far more dangerous… obsession, protection, desire. And when Killian’s wolf recognizes Lyra as his true mate, everything changes. Killian Castillo never expected to fall for the she-wolf who barged into his life like a storm. But now that his wolf has claimed her, he won’t let her go. This time, Lyra isn’t just rewriting her fate… she’s taking her revenge one kiss, one bite, one mark at a time.

Reina Carlo was forged by the Stingers, a shadowy organization that raised her to be a weapon. Her memories of a family—a mother’s face or a father’s embrace—were long lost, replaced by the harsh discipline and ruthless training of her surrogate family. To her, the Stingers were everything, until betrayal shattered the fragile foundation of her loyalty. Now, Reina walks the streets as the hunter, her mission deeply personal. A man who dared to strip away her last shred of innocence must face the consequences. Her scars are tools, her training a guide, and by sunrise, her vengeance will be complete. But each kill leaves a stain on her soul, no matter how she rationalizes it. She tells herself the trade is fair: she removes monsters, and the world lets her survive another day. Redemption and forgiveness don’t belong in her world—they are luxuries for those unbroken by life. Yet the nightmares persist, whispering of a stolen past and a family that might still exist. Did they abandon her, or did they think her lost? These thoughts claw at her resolve, forcing her to confront a truth she can’t bury: forgetting isn’t the same as letting go. Her pact with Marco Alessandro—a powerful, calculating man—only adds to her turmoil. Their marriage of convenience grants her the resources to find her family and avenge her past. But Marco’s unrelenting gaze and quiet intensity break through her defenses, challenging the walls she’s built. As vengeance, love, and identity collide, Reina faces a choice: cling to the darkness she knows or risk everything for a future she can’t predict. In this world of shadows and betrayal, Reina Carlo fights not just to survive—but to discover who she truly is.