Dangan Ronpa Zero

the long version

The plot revolves around Ryouko Otonashi, a student attending the elite private school Hope's Peak Academy. Unfortunately, she suffers from a rare memory disorder, which causes her to forget things just minutes after they occur. In order to function in day-to-day life, she carries around notebooks full of information from herself in the past, so she can carry her memory with her wherever she goes. Because of her disorder, she has only managed to retain one memory; her doctor, "Super High School