I Transmigrated from the Stars to a Matriarchal World (Female Alpha, Male Omega)

Historical-fantasy ABO: Alpha = Tianqian, Omega = Diakun, Beta = Zhongping.

Xie Yun Zhao is an Omega from the interstellar era. Unable to accept that he'd have to depend on an Alpha for the rest of his life, he has been pretending to be an Alpha ever since presenting at twelve. He even attends an Alpha finance academy. But after a car accident, he transmigrates into a female-dominance novel as its tormented male lead.

In the original story, the male lead is a Diakun disguised as the Tianqian emperor of the Great Wei dynasty. After his country is conquered by Great Yu, where the female lead lives, he has no chance to die for his nation and becomes one of her harem members, beginning a life of torment.

When Xie Yun Zhao transmigrates, the fall of his country is still two years away. His immediate problem is a female bodyguard his father has found for him, meant to help him father a child.

In the original story, the bodyguard is a supporting female character who has an unrequited love for the male lead. Unable to persuade him to run away, she fails to assassinate the female lead and kills herself.

What Xie Yun Zhao doesn't know is that the female bodyguard is actually a former princess of Great Yu. Years ago, after Great Yu lost a war, they sent a hostage to the enemy. The male lead's father deceived the previous emperor and trained the hostage to become a bodyguard, all for the sake of arranging his son's marriage.

More importantly, she and the female lead in the original story are half-sisters who look somewhat alike.

Xie Yun Xing: This is a tragic story about a substitute.

Xie Yun Zhao: This is a story about saving a fallen kingdom, and about when my Alpha will finally stop thinking he's a substitute.

Theme: Sweet romance