The Obsidian Rule.

The story follows Rhea Carter, a newcomer forced to navigate the cutthroat social and literal survival games of Elarion Academy. After being thrust into the Obsidian Rule-a brutal, anonymous survival program hidden within the school's walls-Rhea must solve a series of lethal clues to make it out alive. She is trapped in a toxic, high-stakes rivalry with the student body president, Xaviar Thorne, as they are forced into an uneasy partnership to outsmart the mysterious Watchers tracking their every move. It's a psychological thriller where the "games" aren't just physical challenges, but a complex web of social manipulation, shifting loyalties, and a slow-burning mystery that won't fully unravel until the masks finally come off.
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Xo Mary 🌷