Sorcerous Stabber Orphen: The Youthful Journey Volume 2 by Kirouran

Childman's class are at it ag--- hey, wait, where IS Professor Childman? Whatever. Hertia and Kyrlancelo are cleaning up after some botched theft attacks, then Azalie has to start sticking her nose into Hertia's love-life. To top it all off, a monster's attacking the nearby town. At this rate, nobody'll ever get any studying done...