The Irregular at Magic High School: Sudden Change Arc

Magicians from around the globe converge on Japan!
July 2097. Tatsuya is working to complete "Seigyoku" (Sealed Orb), a new magic designed to counter Parasites. Meanwhile, the threat of the New Soviet Union's fleet looms over Japan, and the USNA military's magician unit, the "Stars" has landed on Miyaki Island, where Lina is in hiding. A magical clash of global proportions is about to unfold in Japan.
Kitaumi Tsunaga, known for the manga adaptations of the "Enrollment," "Nine Schools Competition," "Double Seven," "Yotsuba Succession," and "Isolation" arcs, brings the story from Volume 27 of the original novels to life in comic form!