: 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
: It introduces the concept of Child Errors , orphans who are often the subjects of Academy City's darker experiments, setting the stage for future arcs. Alternative Episode 18s in the Franchise : After Kuroko suffers a particularly painful neck-snapping