Olivia Dade | Bawdy romcoms with a big ♥., Spoiler Alert is here! Marcus Caster-Rupp has a secret. The world may know him as Aeneas, star of the biggest show on television, but fanfiction readers call him something else: Book!AeneasWouldNever. Marcus gets out his frustrations with the show through anonymous stories about the internet’s favorite couple, Aeneas and Lavinia. But if anyone discovered his….