After School Nightmare Volume 2 - Setona Mizushiro

Mashiro's still getting used to the nightmarish class he must attend every week, but the confusion and frustration over his whole body only spurs him on to overcome his weaknesses. This turmoil of emotion isn't helping his relationship with the unstable Kureha... especially when Sou is advancing on him more than ever. With the event of the first graduate of the class, the goal of the class seems startlingly simple... but just what lurks behind those heavy doors and should the students be so willing to find out?