Shin Mahouka Koukou no Rettousei: Cygnus no Otome-tachi新・魔法科高校の劣等生　キグナスの乙女たち; New The Irregular at Magic High School: Cygnus Maidens; Новый непутевый ученик в школе магии: Девы-Лебеди

Follows two girls named Arisa and Marika. Though raised as sisters, Arisa is one day entrusted to the elite Jumonji magical family, separating them for two years. Now, both are enrolled at First High School, and finally reunite.