Rui is half a man, half a wolf, he is the prince of the kingdom of wolves, in his kingdom there are many beautiful wolves, but Rui was interested not in a wolf. Fox named Tsukasa. Tsukasa is half-human and half-fox, equally cunning and playful, and also the prince of the strawberry kingdom. Rui and Tsukasa are dating but in secret.

Rui went hunting in the forest, he was looking for his prey, when suddenly he felt a familiar smell... Tsukasa...