 Haruka Ono is an agent for the Ministry of Public Safety and infiltrates the school as a counselor.LN 3.1 She takes both her duties seriously and frequently assists Tatsuya in gathering information. In addition, Haruka disposition enhances her concealment magic; she also trains under Yakumo Kokonoe to enhance her hiding abilities.LN 3.1 She is voiced by Sakura Tange.
