Behind the Mask | Ririka X M. Reader

L/n Y/n, the charming heir to a powerful family, has always been the one to control every situation. Confident, arrogant, and unyielding, he's always had the world at his feet-until he steps into the world of Hyakkakou Private Academy. As a new student council member, Y/n has a game to play, and his first target? The enigmatic vice president, Momobami Ririka. But the more he tries to rattle her, the more intrigued he becomes. What starts as a game to pass the time quickly turns into something much more dangerous. As Y/n pushes her boundaries, he finds himself questioning his own feelings. Will he be able to maintain control, or will Ririka change him in ways he never saw coming?