It's the modern world, where humans, yokai, and various other races coexist. Satoru, who works as the apartment manager, ends up angering his secret crush, Mifuyu, a snow woman who lives in the same building. Eager to make amends, he uses a mysterious ring that is said to help in communicating with yokai. However, he finds himself hotly pursued by Mifuyu, who has suddenly become extremely forward.