The series moves away from the Shibas and focuses on Alisa Iba, now Alisa Juumonji, the half-sister of Katsuto Juumonji, who came about due to their father having an affair before remarrying after the death of his first wife. (Source: Mahouka Koukou no Rettousei Wiki)

Shin Mahouka Koukou no Rettousei: Cygnus no Otome-tachi began as a web novel on the author's personal website on July 10, 2020. Kadokawa has released a revised and illustrated version of the series since January 9, 2021, under its Dengeki Bunko label.