54 books • 2 series
Book #19: The Devil Is a Part-Timer!, Vol. 19 (light novel)
Book #21: The Devil Is a Part-Timer!, Vol. 21 (light novel)
Book #17: The Devil Is a Part-Timer!, Vol. 17 (manga)
Book #19: The Devil Is a Part-Timer!, Vol. 19 (manga)
Book #22: The Devil Is a Part-Timer!, Vol. 22 (manga)
