The Mark of Chaos — Susan D. Kalior

Can a demon truly love an angel?

When earth's most powerful demon falls in love with a human angel burgeoning into the most powerful good--the adventure begins.

When people call for help, Angels come. When people call for chaos, Tazmarks (vampire-like, time-bending beings with dragon genetics) grant their wish. In that, Johnny reigns supreme. After nine hundred years of wreaking chaos and causing calamity in the world, he has finally met his match. Worlds collide when, out of sheer boredom, he is compelled to play guardian devil to an endangered earthbound angel whose powers could burn him to oblivion.

Confusing matters are the changes they incite in each other, and a magnetic attraction neither of them want. Given their antithetical natures, this triggers a chain reaction of unexpected events. In this, they begin to pioneer a change in natural law that will eventually affect the whole earth and beyond into the universe.