"Vampire Miko 100 Year Promise" unveils a mystical tale of a Vampire and a maiden Miko set in a Japanese Shinto shrine. The narrative intertwines elements of Yokai monsters and Yaoyorozu Gods, creating a captivating fusion of cultures and supernatural beings. The storyline follows Harue, a Shinto shrine maiden with self-doubt, and Gerald, a charming Vampire from a foreign land. Despite Gerald's preference for girl's blood, he struggles to obtain it, adding complexity to their interaction.

The game offers an immersive experience, blending fantasy with a modern twist, ideal for players seeking a unique storytelling experience. Encounter a world where East meets West, as the Vampire navigates encounters with Japanese mythical creatures, promising an engaging journey filled with intrigue and mystery.