histórias de Strangerthingfanfiction

When a girl wants to find out what happened to the other kids with numbers on their wrists he goes on a quest to find the other kids

He had only ever been burning. Red-hot rage seethed through his veins and scorched his palms. She had only ever been freezing. Goosebumps trailed up her arms and ice held tightly around her heart. In the few moments when fire met ice they realize that maybe the warmth was exactly what they needed.

First chapter's intro basically explains everything :)