From Bunny's Scanlations and Must Be Endless:

One day, up-and-coming young photographer Franz Schumann makes a fateful encounter. A beautiful young man with jet-black hair, eyes that show traces of a fresh grief, white skin like porcelain that, though it’s decorated with numerous bruises, is still sublime: Jay. He won’t tell the whole story of where he’s from, and Franz, wanting to keep the mysterious Jay as his exclusive model, as time passes, begins to fall in love with him...

What is it that the detective encounters when investigating an onsen town that has seen better days...? A curious story begins when he encounters a mysterious exotic dancer...