Manga Like Akatsubaki

"It’s a promise, we’ll meet again." Many years ago, Sakichi found a strange demon baby abandoned in the woods. He decided to raise him and gave him a name, Aka. When the child grew, he returned to his habitat, but Sakichi never forgot him. Years later, their cursed reunion finds them as a desperate man and a demon. Their relationship should be impossible, but the attraction is inevitable. And when they both succumb to their passions, they’ll put in motion a tragic series of events that will dye the untouched snow bloody red. (Source: Alien Books)