shigaraki got in the base with you next to him, he still had those hands on his face, those made both of you feel sick shigaraki: "uh, guys.... this is my sister"

dabi: "hold on-.... sister? I thought you murdered your entire family?? Leaving no one alive???"

Shigaraki: "yeah but I think I forgot about her and she survived....somehow"

toga: "she looks exactly like you tomura-kun!"