The Earth Heir in 9 Days

Ethan Voss transmigrates. His parents go missing, he's burdened with usury by cousin Tyler Voss. He receives a notification from the Stellar Covenant App: his parents purchased Earth, he will inherit it in 9 days. Ethan discovers the App can manipulate Earth's rules, accidentally destroying the Hawk Union's space forces. President Royce of the Hawk Union covets Earth, teams up with Tyler Voss to impersonate the heir, plotting schemes, all foiled by Ethan.