Onha has never once stepped outside the palace. She’s always been curious about sex, but while she’s already of age, she’s being told she must marry a child who will soon turn seven—and she’s dumbfounded.

Just as Onha wishes to have various experiences before marriage, a book falls in front of her, and out of it spring the gumiho Ain and the hwangyeon-eui-gu Cheongrin.

“Release our seal, and we’ll grant what you desire.”

Using “seeing the world” with the yokai as an excuse to go on dates, Onha gradually finds her heart inexplicably fluttering for both Ain and Cheongrin…