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.
Do you think she'd be angry 
if I sent a letter using magic?
هل تظنّ أنّها ستغضب إن أرسلت رسالة باستعمال السحر؟
Meinst du, es verstimmt sie,
wenn ich ihr einen Brief mit Magie schicke?
¿Crees que se enojará si le envío
una carta usando magia?
¿Crees que se enfadará si le envío
una carta usando magia?
Tu penses qu’elle s’énervera,
si je lui envoie ce pli par magie ?
Secondo te si arrabbierà, 
se le spedisco una lettera usando la magia?
Você acha que ela ficaria brava se eu
mandasse uma carta usando magia?
Как думаешь,
 рассердится ли Эйлин, если я…