when does castiel join supernatural

Sierra Lowe, a genius from the future research institute, dies unexpectedly and wakes up 100 years in the past as the fiancée of Commander Ethan Nacht. Her plan is simple: lay low, earn money, and avoid trouble. And when the ninth wife finally rises to power, she’ll happily step aside. But on their wedding day, Commander Ethan hears her inner thoughts loud and clear: “So this is Ethan Nacht, the guy who secretly slept with the ninth wife?”Ethan was baffled: "Father only had eight wives. Where did the ninth come from?"

An office worker, Nancy Sanson, lives by one motto: "Money solves everything." But when she overworks herself to exhaustion, she suddenly transmigrates into a novel and becomes an evil supporting character who shares her name. In the original story, this character covets the female lead's luck, lusts after the male lead, and ultimately meets a gruesome end. Now, with the plot's deadly countdown ticking, Nancy is armed with knowledge of the story but faces a dilemma: Can her moneyloving,survival-driven instincts rewrite her fate and maybe even find a way back home?

Ethan Shaw was once just an ordinary security guard in Grayhaven. At 26, he had never even held a woman's hand. When the zombie apocalypse broke out, he managed to survive for only 12 days before being torn apart by the undead. Then fate reset everything. Given a second chance, Ethan awakened the Apocalypse Convoy System, a power that grew stronger every time he saved a beautiful woman. As civilization collapsed and human nature turned darker by the day, Ethan built a convoy where survival, desire, and rewards became inseparably linked.

The apocalypse struck, zombies overran the world, and Riven Hoyle awakened as the Zombie King with a secret system, feared overlord of the undead. But in the ruins, he found a tiny, cute baby... who's secretly Elara Harvey, the reincarnated human empress Sovran!Now, the aloof Zombie King dotes on his adopted daughter, leading millions of corpses to raze the wastelands, all to protect her.Meanwhile, the infant Sovran hides her sharp claws beneath swaddles. When a monster becomes a doting dad,and a baby ruler starts to flex her power, the end of the world is about to get wild.

After the divorce, Ella Blaine's ex-husband, John Jones, asked, "We were married for a year. Did you ever love me?""No!" Ella replied, walking away without a hint of hesitation.Later, a manipulative friend revealed a pregnancy involving John's child. Ella responded by exposing his infertility secret.Years later, when questioned about Ella's decision to marry the seemingly perfect Zac Smith, Ella, with unwavering confidence, declares, "If I can't be his bride, I'll be his new mother. Will he dare not to marry?"

In her past life, Vivian Walker forced Isaac Lowe to marry her, only to live in loneliness and regret. On her deathbed, deceived by Isaac's first love, Gigi Smith, she died believing he had never cared for her.But when Vivian opens her eyes again, she's back forty years in the past—right at the moment she threw away her future for Isaac. This time, she doesn't think twice. With a deep breath, she tears up the withdrawal form, choosing herself and the life she deserves.

At five, Nina donated bone marrow to Quinn, saving her life. Tragically, Nina's parents died in a car accident, and she was rescued by a disabled scavenger, becoming Annie. Excelling in school, she interned at a major company, where she faced jealousy and bullying from fellow intern Angela. Unbeknownst to them, Angela was the adopted sister of CEO Quinn, who had long sought to repay the family that saved his life. When Quinn learned the truth—that the girl he'd favored was not the real Nina, but her bully—his world turned upside down.

To repay a single act of kindness, he spent ten years as an invisible husband, pouring his heart and strength into her success. When betrayal and humiliation drove him to the brink, he chose to "die," severing every tie to the past.Years later, he returned as a powerful figure standing high above the world. The debt of gratitude repaid and the old wounds cut clean, he faced his kneeling, repentant ex-wife with a heart already healed. Having found his own happiness, he rose from the ashes—reborn, untouchable, and no longer bound by the love that once defined him.

Xandra Quinn has only ever had her grades. So when school heartthrob Robert Miller confesses publicly, she shocks everyone by saying yes. She knows it's a trap set by her jealous rival Amelia Moore, but why refuse? Xandra stops studying, openly wasting time with Robert, while Amelia celebrates her "victory." What she doesn't know—Xandra already has a Harbard offer. On exam day, Amelia mocks her, only to find Xandra revealed as the national top scorer—with a perfect score.

As the most powerful man in Rivton City, Barlow Sapir hated the most when women threw themselves at him. However, the first time he met Elvira Ann, the latter solemnly declared, "I'm not interested in you, Barlow Sapir." The second time, she swore to God, "I won't sleep with you." Then there was the third time… the fourth time… But little did Elvira know, Barlow Sapir desired nothing more than her love. The more she tried to get rid of him, the more he yearned for her. What could she do?

Three months into her marriage with Xavier Hudson, the heir to a notorious gang family, Quinn Shelton is hit by tragedy when Xavier dies in a fatal car accident. At Xavier's funeral, factions within the Hudson family demand Quinn give up control of the family legacy. The unexpected return of Samuel, the second son, after years abroad, creates further discord, as some see him as a mere puppet fit to assume leadership. Surprisingly, Samuel mirrors Xavier in appearance but chooses to ally with Quinn, throwing his support behind her as she fights to retain authority.

Alvin Kirkland and Nahla Snider had been inseparable since they were kids. Twenty years of shared memories, inside jokes, and a promise to get engaged on his 25th birthday. But when the day finally came, Alvin walked in on Nahla taking couple-y pics with Jared Whitehead, some underclassman from college. She brushed it off like it was no big deal, kept making excuses for Jared, and expected Alvin to just deal with it. Fed up with her gaslighting, he left a breakup note, packed his bags, and took that overseas job offer without looking back.

When Quinn Sanders was just three years old, she was taken in by the Clark family to be raised alongside their son, Bobby, with the intention of them marrying in the future. Over the years, she faced mistreatment, until a chance reunion with her birth mother, Morgan Sanders,who had spent two decades searching for her.Bobby's proposal turned out to be a scheme for financial gain,but at the wedding, Morgan recognized Quinn, uncovering the truth behind her past. The people responsible were held accountable, and mother and daughter slowly began to rebuild their bond through fragmented memories.

Ice-cold CEO Maddison Perkins adopts a gifted little boy named Arthur to safeguard her family's company. At just six years old, Arthur is not only a child prodigy with incredible strength, but also fiercely protective of his mom. Time and again, he steps in to defuse crises—and in doing so, chips away at Maddison's guarded heart with his boundless love and warmth. When Uncle Brendon makes move after move to bring them down, Maddison and Arthur team up,outsmarting him at every turn to protect what's rightfully theirs.

In my previous life, the maid's daughter had swiped my spare card until everyone believed she was the real heiress. When she planted cheat notes on me, no one believed the heiress they adored was a fraud. Father spent his last favors hunting for the truth, only to be reported by her for bribery. The company's stock nosedived, the firm collapsed, and I ended up on the streets, my face slashed by debt collectors until I died in disgrace. Then I woke up in River High, with a second chance to take it all back.

Nancy, Aopper University's finance talent, gave up her studies to marry Leo Fay.Yet after seven years of marriage, her son's birthday wish was for a new mom. Leo's obsession with Nancy's sister cost her second child, leaving her heartbroken.Heartbroken, she left. Everyone believed she couldn't make it without Leo. But she rebuilt her empire and stayed away until their son,Mario,wanted her back. Later, when Leo finally reached out, Nancy was already holding her newborn.

Chloe Summers had it all: stellar grades, a bright future…until a vicious bullying campaign tore her world apart. Just when she thought things couldn't get worse—toxic work drama, a lying ex—in walks James Walton. He looks her dead in the eye and says, "Use me. My connections, my name, my resources—consider them yours. Step up, climb higher. I'll make sure you get everything you ever wanted. Your dreams? Consider them done."

In her past life, Vivian Walker forced Isaac Lowe to marry her, only to live in loneliness and regret. On her deathbed, deceived by Isaac's first love, Gigi Smith, she died believing he had never cared for her. But when Vivian opens her eyes again, she's back forty years in the past—right at the moment she threw away her future for Isaac. This time, she doesn't think twice. With a deep breath, she tears up the withdrawal form, choosing herself and the life she deserves.