I Bought the Wrong Twin incubi

Ivy spent everything on an incubus who hated her. Then she found his twin—broken, dying, and impossibly gentle. She saved Kael with nothing left to give. But as his devotion deepened into obsession and Kieran came crawling back, Ivy realized she hadn't bought one love or the other—she had started a war between two brothers who would tear each other apart just to stay by her side. And she wouldn't stop them. She needed both.