The Secret Guardian

Ronan remembered how he stood behind Cora's back as she protected him. Even though Cora was petite and not much taller than him, she could summon a surprising amount of energy from God-knew-where and hit the boys again and again.

“You're wrong! He still has me, her sister, to protect him! I'll report you to the school when I get there tomorrow! I want you to apologize to my younger brother! Mark m