Coffeeshop in an alternate universe

"When Brenda's internet goes out right before an important scholarship deadline, she stumbles right into Kat's family's coffeeshop. Brenda is swept away by cool, confident Kat, who actually cares about Brenda's 19-step plan to save the world through science. Meanwhile, Kat can't stop thinking about Brenda, who is smart, passionate, and doesn't seem to care that Kat is the prophesized Chosen One. The only problem? Kat and Brenda are from different...