NoraHeart - SusRitual final - Adult Sex Game

Overview:
Princess Esther, along with her servants, knights, and priestesses, were trying to cure a long-lasting succubus curse in an old castle.
However, without knowing if they succeeded, Estelle became unconscious.
When the princess awoke, no one was with her anymore.
Brave Princess Esther is determined to investigate the situation.
Is it hope that awaits her, or is it only despair? ......​