Misuzu Sakaki is a plain office worker in love with her boss. After a series of events, she discovers his true form, a white tiger and the god of the west, Byakko. For the sake of his realm, he needs to do the deed regularly or else his lands will wither away. He asks her to be his wife and allow him to make love to her, caressing her most sensitive areas and using his feline tongue to create new realms of pleasure. As a virgin, Misuzu has trouble handling his inhuman fingers and beastly unit at first, but things quickly heat up and she is filled with his love repeatedly.