Sand, Stone and Steel (The Protectors #1)
Nhys Glover

The cyborgs that serve humanity on a distant world are invincible in all ways except one: their human minds are prone to madness. When Stone and Steel, two young Aerian cyborgs, save Yin from a terrible death, they realize the millennium-old Prophecy of the Protector is about to be fulfilled. Along with Sand, their high-ranking superior, they risk everything to keep safe the woman they know can do far more than just protect them. Her love can heal their tortured minds and save humanity from annihilation.
This series is NOT light romance and contains some violent content that, although not overly graphic, may discomfort some readers. This Reverse Harem Romance also includes MFMM love scenes that, while tastefully written, are only suitable for mature readers.
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