Where is the Justice?

"Promise you will be by my side forever?" Izuku asked, his ten yer old self hugging a young girl. The young girl laughed, hugging the boy close. "No matter what, I promise to stand by you. Be it me being your sidekick to us running away together. I promise to always be on your side." A promise that seal Kagome Higurashi's fate as she got older and Izuku changed his goals to something more...dark.