The Old Warrior Is Busy Taking Care of His Possessed Sister, Who Has Been Inhabited by the Duke’s Daughter. But Make No Mistake, He Is Only Doing This as Part of His Job Search and Is in No Way a Siscon!

Native title: おっさん戦士は公爵令嬢に憑依された妹の面倒を見るのに忙しい〜あくまでも就活なので断じてシスコンではない！