The first diary from the shelf for you is the
25-Sep-2015's 'The Secrets in the River
' and once you learn all the secrets and change your device date to
The diary will take you back in the time
to witness a 'Stupid Mistake by Intelligence'
Warning - once you change your device's date to 25-Sep-2015 The D's Diary app may misbehave. There is nothing to worry about it happens only because D's server try to stream data directly from the past.