The King's Beast manga volume 6 features story and art by Rei Toma.

Prince Kougai’s interest in his brother’s new beast-servant hasn’t waned, and Rangetsu is forced to forge an uneasy truce with him when his prying uncovers the dangerous truth about her identity. But her past isn’t the only thing the third prince has been investigating, and the palace holds many dangerous truths…

The King's Beast manga volume 7 features story and art by Rei Toma.

Rangetsu isn’t the only person in the imperial palace with dark secrets. Prince Kougai’s beast-servant Boku knows something about Sogetsu’s final hours, and his confession shatters everything Rangestu thought she knew about her brother’s death!

The King's Beast manga volume 8 features story and art by Rei Toma.

As Rangetsu and her unlikely allies follow whispered rumors through the palace in search of any hint of her brother, she finds it increasingly difficult to keep from spilling her own secret to Prince Tenyou. But revealing her true nature will upset the uneasy accord she has built between them. And even worse, it might interfere in her desperate hunt for Sogetsu!

The King's Beast manga volume 9 features story and art by Rei Toma.

After years of pursuing vengeance, Rangetsu has finally found news of her brother, and he’s alive! But Sogetsu is locked up in the inner palace, where his very flesh is being harvested as medicine for an emperor obsessed with immortality. And now that the emperor has his hands on both twins and their mysterious powers, he’s never going to let them go...

The King's Beast manga volume 10 features story and art by Rei Toma.

Sogetsu may have been released from the emperor’s cruelty, but he’s not yet completely free of his ordeal. In order to survive the experiments he suffered through, Sogetsu’s mind splintered into many personalities... and only one of them made it out of the inner palace. Now he is racked with guilt over being the wrong Sogetsu, and the agony of feeling unworthy of being rescued is pushing him into unexpected action!