The Hakurei Shrine Maiden is a key character in the Touhou Project, a popular series of Japanese bullet hell games created by ZUN. She serves as the protector of the Hakurei Shrine, which is a sacred place that maintains the balance between the human world and the realm of youkai and spirits. The shrine maidens are known for their spiritual powers and abilities to exorcise evil entities. In the series, the most prominent Hakurei Shrine Maiden is Reimu Hakurei. She is characterized by her red and white attire and her ability to fly and manipulate spiritual energy. Reimu often finds herself involved in various incidents that threaten the peace of her world, requiring her to confront youkai and other supernatural beings to restore harmony.