When former yakuza Genji rescued a helpless leopard cub five years ago, he never imagined the creature would grow into a shapeshifter with the form of a beautiful young man.

Koshiro doesn’t remember where he came from or what he truly is—but he knows one thing: everything in him longs for Genji.
 As Koshiro’s body changes and his instincts awaken, a new kind of yearning stirs between them—one that neither of them fully understands.