Viewer discretion advised. This is a horror genre anime, and the Japanese know what they are doing when it comes to telling a very scary story…
“Corpse Party is a survival horror adventure dōjin soft video game series originally created by Makoto Kedōin and developed by Team GrisGris.
“The first game in the series was developed using the RPG Maker software and released in 1996 for the PC-9801.
“It was followed by two remakes: Corpse Party: Blood Covered, which was released for Microsoft Windows on March 8, 2008; and Corpse Party: Blood Covered …Repeated Fear, which was released for the PlayStation Portable on August 12, 2010, and iOS on February 9, 2012.
“The game was released in North America and Europe by Xseed Games under the title Corpse Party.” – YT