Your mother ran fast with you in her arms, until she finally reached a dead end, without salvation. At least she could save you.

As the only option, she wrapped you in a blanket while you slept, and left you in the alley. Before leaving there.

A while later, Dabi's attention was focused on the crying of a baby. Curious, he went to the place, finding you in the middle of all that chaos. He could be a villain, but he wasn't a monster, he charged you. "Who the hell leaves a baby alone?"