Aileen overcame all the difficulties and got engaged with Claude. Just when she thought she found her happily ever after, she receives news that a demon named Ashtarte attacked a human village in the Mirchetta region. Sensing new dangers, Aileen infiltrates Mische Academy in the Grand Duchy of Mirchetta to investigate the situation. There, she meets James Charles, the last boss of Regalia of Saints, Demons, and Maidens 2 as well as the other quirky members of the student council.
But I'm sure I can stop him 
from becoming the final boss.
.لكني واثقة من قدرتي على منعه من أن يصبح الزعيم الأخير
Sein Final-Boss-Schicksal
kann ich sicher verhindern.
Yo evitaré que se convierta
en el jefe final.
Yo evitaré que se convierta
en el jefe final.
Je suis sûre
que je peux empêcher ça.
Sono sicura di poterlo fermare
 prima che diventi il boss finale.
Tenho certeza de que posso
impedi-lo de virar o chefão final.
Уверена…