新・魔法科高校の劣等生 キグナスの乙女たち

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)