Remedy/theories

Sworn Enemy:
IIt seems that Hareta had a enemy, and in the end, judging by one place which can be enable from interaction with Flask of Yellow Medicide, it seems that enemy, girl with dark-pink hair, let's name her Poison, killed Hareta, its can be proved by shorthaired Hareta's ghost, girl with creepy evil smile and ofcourse, slayed parts of Hareta's body, judging by Poisoning Event this girl poisoned Hareta by bad medicine on purpose.