Drowning in debt and at the end of their ropes, married couple Janice and Marcus agree to join 'Wildheart Sanctuary' to have easy lives with their debts erased. The catch? They willingly volunteer for gene manipulation experimentation and will have to live in paradise within less-than-human bodies.

Grey is a mercenary and adventurer, quite used to his life of danger. One day, he wakes up with the mark of Inari, the fox goddess, upon the back of his hand. Unsure of the meaning, he makes a pilgrimage to 'Vixen Veil,' the forest concealing the Inari shrine. Hoping to discover the meaning of the mark, he makes his way into the forest while slowly undergoing some strange and unusual changes. (Sexy TF, subtle mental changes, lesbian sex, and a happy ending!)