Originally, Andrew Hanbridge was going to confess his feelings to Atsuko Kagari and they would end up together this idea was ultimately abandoned because Yô Yoshinari hated it and may have meant that Akko was working for Andrew's sake and not for herself. However Erica Mendez (Atsuko Kagari's English voice actress) and Lucien Dodge (Andrew Hanbridge's English voice actor) are together in a relationship in real life.
According to the show creators, Sucy was originally meant to be the character that was bullied.
This is Studio Trigger's first anime series to be aimed at children as the series earned a TV-Y7 in the United States.
The series premiered in America as a Netflix Exclusive.