His Best Friend's Little Sister

She’s my best friend’s little sister with a body made for sin. I’m a big, burly ex-soldier that shouldn’t even give her a second glance. She’s a decade younger than me and seductive without trying. I’m struggling through burnout and hiding out from the entire world. When we both hide out at the same cabin far away from everyone else, a mutual attraction blooms between us. I know it’s wrong, but it’s impossible to stop touching her once I start. And worse, I don’t want to let her go...