My Arranged Match Has Dissociative Identity Disorder. How Do I Treat It?

[Female-Dominated World + Gender-Bender + Healing and Redemption] The Federation's supreme leader, Enigma Xi Chan, discovers that the Third Prince, Bei Yan, suffers from severe dissociative identity disorder after their marriage alliance. To heal him, she enters the Dream System and soothes his personalities, helping them integrate. There, in the dream world, she encounters Bei Yan's many different personalities. (School A/B/O, cultivation, entertainment industry, ancient times, beast world...)