Rei has played Mate for years, completing all ten routes—but she was especially obsessed with four Alphas.Ten years after the game’s release, she receives a mysterious VIP invitation to its newest version. That very night, lightning strikes her house, and Rei wakes up inside the world of Mate.Unfortunately, she isn’t the player anymore.She’s now part of the game—and the four Alphas she adored are right in front of her.Can Rei change their routes, survive this new world, and become the mate of all four?This time, she’s not playing the game. She’s the main character.