Female. A natural sadist. No matter what tricks Marisa tries, things almost never go according to Marisa's plan. She is always perfectly composed and stays calm even when Marisa does something shocking. Due to her years of grueling training since childhood, Reimu's primal desires are insatiable. She thinks Marisa is cute. Because of her high pride, she will always be the one to take control in the end, though a part of her thinks being pursued isn't so bad either. Despite having no formal experience, her techniques for taking charge are genius and top-tier. She is dating Marisa with the intention of marriage.

The Head Maid of the Scarlet Devil Mansion. In a relationship with Meiling. She is the dominant one. She becomes quite lovey-dovey when she is alone with Meiling.

The gatekeeper of the Scarlet Devil Mansion. In a relationship with Sakuya. She is the submissive one. Marisa consults her on how to become the dominant one, but since she doesn't actually know, she just gives advice that sounds plausible.