Definitely NOT a Thing - Christina C. Jones

Smack in the middle of a cascade of unfortunate events, Amelia finds Calvin (derogatory)—cocky, annoying, too-often shirtless, and right next door (bummer). Sparked by an unfortunate habit of inside thoughts not staying that way (she’s working on it!), their petty back-and-forth banter easily—and a little too quickly—slides into something neither of them shake.