Fierce-Ella by Natalie Ann

Ella Fierce is the lone girl of the Fierce Five. She’s calm. She’s cool. She’s collected. The rock of the quintuplets. Only no one knows she crumbles like a ten-day-old stale cookie left out on the counter unwrapped when it comes to men. And if she has her way, no one ever will.
Travis McKinley suffered an unthinkable loss forcing him to reevaluate his life and priorities. All those things that made him who he was—all those things that made him a strong protector—were now floating away in the wind. He’d failed those closest to him and he wasn’t sure he’d ever even want to succeed again. Until Ella Fierce. The only problem? She all but chews him up and spits him out every time she sees him.