The Irregular at Magic High School

Two months after the Scorched Halloween incident, Tatsuya and his friends hold a going-away party for Shizuku who will be studying abroad in America; with the start of the new semester, an exchange student from America arrives at First High School.

A string of bizarre murders occur in which the victims are found with most of the blood drained from their bodies; due to the methods used by the killer, they are called vampire incidents, and similar incidents also occur in America.

The Saegusa and Jumonji families join forces to solve the case. Mikihiko and Erika look for the vampire, and confront a mysterious masked magician.

The identity of the mysterious masked magician who engaged in a sword fight with Erika is revealed, and the masked magician uses the Parade spell to attack Tatsuya.

A parasite is an information body generated from the spirit dimension. An evil visitor, of unknown origin, manages to infiltrate First High School.

Valentine's Day is drawing near, and even those who go to Magic High School aren't immune to the sometimes tumultuous course of love.