Kitsune to Tanuki no Oshikakekon

"Be my partner!" - Aiming to get their paws on money and food, fox spirit Ginjiro and tanuki spirit Kinsaku take on human form and cozy up to an unknown human. But this human, Yoichi, sees through their disguises in an instant and leaves them both besotted with him. From that day, they each pursue him fiercely, but Yoichi's heart cannot be swayed. One day, the two spirits learn of Yoichi's past and, knowing there is just one thing that can soothe his wounded heart, they decide to steal into his bed that night... (Source: MangaPlaza)