Because her mother disowned her after she accidentally made her father disappear with her Quirk and the experiments she was subjected to by Kai Chisaki, Eri became a fearful and secluded girl, without anyone showing affection to her in her life. Apparently, Izuku Midoriya's touch was the first time she ever felt kindness, which overwhelmed Eri and brought tears to her eyes. When murderous intentions are directed towards her, she neither screams nor cries but simply remains silent in knowing that she has no choice but to accept whatever will happen to her. Although Eri's attempts at resisting and escaping her abuse slowly diminished, she still made numerous attempts to escape her captors, despite knowing nobody she could turn to.
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