Seikatsu wa Psychopath no Shi no You ni

On a rainy night, a young man witnesses a murder in a park and immediately tries to call the police, only for his phone battery to die before he can complete the report. While waiting for it to recharge, something more unsettling than the killer begins to happen: his memory of the crime changes. Details he was certain of minutes earlier blur or are replaced by different images, leaving him unable to tell whether he is recovering the truth or unconsciously rewriting it. By the time the police can hear his account, the witness may no longer know which version belongs to reality.