Enrollment Chapter IV is the fourth episode of the Mahouka Koukou no Rettousei anime.
Mibu asks Tatsuya to join the kendo club, but Tatsuya declines, Mibu then tells Tatsuya that the non-magic specialized clubs plan to join together to tell their thoughts about the Course 1, Course 2 discrimination. Tatsuya asks Mibu what she plans to do after telling her thoughts to the school.
Now at the Student Council room, Mari embarrasses herself by defending her boyfriend. Tatsuya makes Mayumi blush, and Mari teases her about it. Miyuki gets angry and things get frozen. The siblings go home and Tatsuya shows Miyuki information about Blanche.