Update #2As Jana pointed out in the comments section below, Victoria Scott has confirmed that there will NOT be a love triangle!
*relieved*
Breathe, people! :D
Update #1I may be mistaken, but the blurb hints heavily on a possible love triangle.

WHAT THE FUCK.
ARE YOU KIDDING ME?
Don't you dare do that Dante. Don't you fucking do that.
There is just one redeeming quality about you and that is Charlie.
Just that one. Don't fuck it up.
And that, seriously, was the last straw. As if the series could fall any lower, Scott introduces a triangle.
MIND. BLOWING.