"Can't you just tell me you love me?" Yuna and Naoki are a lovey-dovey couple. But they have a big secret from each other. Yuna's real identity is that of a special police officer on the hunt for "werewolves" and "vampires." Naoki, on the other hand, has been hiding the fact that he is a werewolf. One new moon day, Yuna is suddenly attacked by a vampire, and is saved by a werewolf who is also her enemy...?! A suspense love story about the fate of the strongest werewolf boy!