In a typical novella stories
A hero is someone that is strong, brave and charming. He will always be there for the girl he loves and would sacrifices himself for her in a heartbeat. And the girl we called the heroine is someone that is beautiful smart, and pure like an angel. She will loves him unconditionally and will always support him since day one.
He will always be there to save her and would never let her shed a single tears.
When she was crying by herself under the tree on that rainy day a boy with blonde hair approached her and lent her his hand. Her tearful blue eyes started to filled with hopes. On that fateful day, Ariel believed she was the heroine of the story.