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.
Can't senior students join 
the security force, too?
ألا يمكن لسينباي أن ينضم لقوة الأمن أيضًا؟
Ich darf doch sicher
auch der Garde beitreten, oder?
Los mayores también podemos ayudar, ¿no?
¿No dejáis que los mayores
se metan en esto?
Je n’ai pas le droit
de participer aux rondes ?
Anche uno studente più grande
 può unirsi all'unità di sicurezza, no?
Veteranos também podem fazer
parte da força de segurança, não?
Разве старшеклассникам нельзя
участвовать в патруле?