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.
I'm a talented demon!
!أنا شيطان موهوب
Ich habe es drauf!
Soy un demonio muy capaz.
Soy un demonio con talento.
Je suis trop fort !
Sono un bravo demone!
Eu sou um demônio talentoso!
Потому что я смышлёное чудовище!