Suzu Akeko Book order

The nude form of an exhibitionist invisible girl is also a classmate who was actually in the classroom the entire time? Who is she!?

In the world of monsters, where scaring and tormenting humans is a way of life, even monster girls need to pass their classes, graduate and get a job! Enter Class Z: a bunch of failures more likely to be frightened and bullied themselves. Can this rag-tag group of underdogs become successful full-fledged monsters?

A geek witch and a lazy vampire appear, the secrets behind the birth of Ichika the jiangshi are revealed, and Class A is out for blood! There's even a swimsuit episode--wait, isn't this a shoujo manga?!