Un mundo de diferencias is the first installment in the Lidiando con el jefe (Dealing with the Boss) series by Ariana V. Andrews
The story begins with a classic trope: mistaken identity. Valentina is hired as a digital organizer for a luxury firm. Due to a glitch in the HR system, she ends up sharing a penthouse office floor—and eventually a rooftop apartment—with Alexander, who despises disorder. un mundo de diferencias ariana v andrewsepub new
If you are looking to acquire the version legally: Un mundo de diferencias is the first installment