Violet Winter learned the hard way that nothing lasts forever. After losing her mother and surviving a relentless battle with leukemia, she built walls around herself, walls no one had ever dared to break through. Letting people in meant risking heartbreak, and she had already lost too much. But then came Billie Eilish. With her, life became lighter, funnier, worth living again. But when your body still carries the scars of the past, how long can forever really last?

Evangeline Davenport has never heard the word no. Born into privilege and raised to rule every room she walks into, she's smart, magnetic, and untouchable. College is just another stage for her to own-until she meets Billie Eilish. Billie is everything Evangeline isn't. Unimpressed. Unfiltered. Impossible to control. Their dislike is instant, their rivalry fierce, and neither is willing to back down. But when hate starts to feel a lot like desire, the rules change. Lines blur. And soon, Evangeline is playing a game she's never played before-one she can't win without risking the only thing she's never given away: her heart.

Blair Ashford doesn't do attachments. The sharp-tongued bartender has spent her life keeping people at a distance-until one wild night ends with her waking up in Billie Eilish's bed. What starts as a drunken mistake quickly spirals into a dangerous push-and-pull of desire, tension, and a whole lot of trouble.

Juliette Smith has always been the girl with the big heart. The one who puts others first, the one her brother swore to protect at all costs. Living under Jonathan's roof in LA was supposed to be temporary, just until she found her footing again. But then Billie Eilish walked into their world. What starts as harmless, the superstar hanging around her brother's studio, late-night conversations in their kitchen, quickly turns into something dangerous. Something neither of them can afford to feel. Because Billie is Jonathan's best friend. And Juliette? She's the one person Jonathan would never let her be with. Loving her means lying to him. Wanting her means risking everything. But some things are impossible to hide.