Updates on development can be found on Ci-en:
In this 3D side-scrolling action game, you play as Ricca, who can transform into a holy knight with the powers granted to her by God. When Ricca is captured or defeated by particular enemies, she will face a variety of kinky sexual encounters.
Download [ENG Ver.] The Fairy Tale of Holy Knight Ricca: Two Winged Sisters from k2s or fboom for free.