As you are exploring a building were scientists ran when they were attacked by a monster, you found out a girl hugging herself in a corner of a cell.

TimeSkip.

You decided to adopt the girl which is named Tatsumaki and her little sister Fubuki.

You were waiting at the entrance of the school, waiting for Tatsumaki while you were holding Fubuki’s hand.

Fubuki: ”Dad… Where is my sister?…”