Emi Yusa

Emi Yusa (遊佐 恵美 Yusa Emi?) /Emilia Justina (エミリア・ユスティーナ Emiria Jasutina) is the main female protagonist/deuteragonist and the Hero who defeated the Demon King Satan. After forcing the Demon King to retreat from Ente Isla, she followed him to modern-day Japan to ensure his destruction.