Railgun Episode 18: To Aru Kagaku No

: After Kuroko suffers a particularly painful neck-snapping disciplinary session, she and Mikoto spot the Dormitory Supervisor carrying ten boxes of Pizza Hut.

: Suspecting a secret romantic life, they stalk her to Asunaro Park , a child welfare facility for "Child Errors" (orphans in Academy City). To Aru Kagaku No Railgun Episode 18

: They discover she volunteers there as a gentle, maternal figure nicknamed "Grandma" by the children. They also find Saten and Uiharu volunteering there as punishment for poor grades. : After Kuroko suffers a particularly painful neck-snapping

If you are referring to later seasons or versions, the focus changes significantly: they stalk her to Asunaro Park

: The episode serves to humanize a formerly one-dimensional antagonist, showing her compassion for underprivileged children.