Bethany Lopez 
Night & Day: A Time for Love Series Novella [EPUB ebook] 

One explosive weekend together nearly ruined them.
Now, a year later, Simone had perfected the art of keeping Micah at arms length.
Micah wants to explain, but the wall Simone has erected is impossible to get around, until a city wide blackout gives him the opportunity he needs.
There's no way Simone and Micah can ignore their chemistry when they're alone in the dark, but will she still want him when the lights come on?