would really like if you love the concepts of realms as this one.

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In an era when demons have dominion over cultivators and mortals, the cultivator elders believe it is imperative to send someone back in time to discover the origin of the demon lord and prevent his resurrection.

Li Su Su accepts the mission and assumes the identity of mortal Ye Xi Wu, the second daughter of General Ye. She's married to Tantai Jin, the captive prince and future demon lord, and is determined to destroy him, aware that in the future he will come to massacre many. But as witness to Tantai Jin's past life and rise to power, an unexpected tale emerges, one complicating her quest.

currently airing and you can read the novel @mydramanovel.com
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In ancient times, the Human Emperor, Zhao Ming, petitioned on behalf of the people and sacrificed himself to resist the divine realm. After Zhao Ming's fall, his beloved, Hun Dun Zhu, risked her life to save a wisp of his soul, setting up the cycle of reincarnation for eternity. In the distant future, Zhao Ming reincarnated as Xie Xue Chen, the leader of the Immortal Alliance, while Hun Dun Zhu became the Holy Maiden Mu Xuan Ling in the Dark Domain. The two finally reunited in the mortal realm but had forgotten their past, becoming adversaries in a "righteous versus evil" struggle. Mu Xuan Ling saved the heavily injured Xie Xue Chen in the Dark Domain and coerced him to travel together in gratitude for saving his life.

Throughout their journey, the two went from harboring schemes against each other to fighting side by side, gradually letting go of their guard and developing feelings for each other. However, amidst the conspiracy to seize the divine artifact, the "Chaos Pearl," they found themselves in a life-and-death trial. Mu Xuan Ling sacrificed herself to save the world, and Xie Xue Chen defied fate to go back in time and rescue her. With the end of the eternal calamity, Xie Xue Chen's soul finally returned to Zhao Ming, but Zhao Ming's original form had become a demon god. Mu Xuan Ling used love to awaken the demon god, dispelling the catastrophe and bringing peace to the world.

same actor is in this drama.
has similar kinda aspects with the different realms.
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The Nine-tailed Fox Bai Qian, the youngest daughter of the Fox King, is brought to Kunlun Mountain to become a disciple of the God of War, Mo Yuan. While studying there, a war breaks out that leads to Mo Yuan sacrificing his life to seal a demon lord.

Seventy thousand years later, Bai Qian attempts to also sacrifice herself to re-seal the demon lord but is instead thrown to the mortal realm where she loses all her memories and divine power. Living alone on a remote mountain, Bai Qian saves Crown Prince Ye Hua of the Nine Heavens, who is actually her fiancé in Heaven and greatly resembles the late Mo Yuan. The two start falling in love, not knowing the true identity of the other person and their love tribulation that involves them meeting in three different lives and three worlds

its xianxia drama
its similar in styiling
ofcourse it is directed by the same director
the main theme ost is sung by the same singer miss sa ding ding (moonlight mystique ost-flowers fall with no trace and the ashes of love ost -upwards to the moon )
in both drama the male leads were once an immortal god later re-encarnated or tranformed into demon lord.
it explores the side characters well story too.
the second leads are also similar in there character aspects except for the love aspect.