Hana no Na no Himegimi

(from cdjapan):
What will happen to the love triangle between a princess, a high priest and a villain? A masterpiece of Kabuki baroque! "A Blissful Love Rhapsody". A prestigious princess, a noble priest, and a chic scoundrel weave their way through a love triangle. ......? Princess Sakurahime of the prestigious Yoshida family is the reincarnation of Seigen, a high priestess and her lover who died seventeen years ago. Seigen's heart is disturbed and shaken. However, Sakurahime already has a special love in her heart. ......? Based on the famous Kabuki play "Sakurahime Higashi Bunsho", this is a masterpiece of Kabuki baroque, a gorgeous and cheerful depiction of the tumultuous destiny and growth of a slightly tomboyish princess.

An adaptation of a kabuki play. The bunkoban combines it with Watashi ga Kirai na Oanesama (My Detestable Sister).