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.
"Even the Saint of Salvation should 
never forget her duties as a woman."
".حتّى قديسة الخلاص لا ينبغي لها نسيان واجباتها كامرأة"
„Heilige Schwertjungfer magst du sein,
aber vergiss nicht deine Pflichten als Weib.“
"Ni siquiera la salvadora debe olvidar
sus obligaciones como mujer".
"Ni siquiera la salvadora debe olvidar
sus obligaciones como mujer".
« Sauveuse de l’humanité ou pas,
"Anche la Santa della Salvezza
 non deve mai dimenticare i suoi doveri di donna".
"Mesmo a Santa da Salvação nunca deve
esquecer seus deveres como mulher."