Making Him Hers by Heather Young-Nichols

His sister’s best friend is staying for the summer… things just got hotter.
Riley Goodrich hasn’t thought about a relationship in years. Being deployed since high school left little time to consider one. Now that Harper’s staying with his sister for the summer, it might be time to think about it. Harper’s fun and hot… but she’s also his sister’s best friend. Hooking up could get messy.
Harper Sorensen needs time away from her job in a city where she doesn’t really know anyway. She doesn’t make friends easily and her job is turning out be less than what she’s dreamed of. Harper’s alone and getting lonely. When her employer offers for everyone to work remotely for the summer she knows that she’ll spend that time with her best friend, Zoey. The fact that Zoey’s brother is a hot ex-marine is just icing on the cake.
Riley is more than ready for a summer fling. Harper’s ready to make Riley hers. But can she make him her by the end of the summer?