Magda Malarowska. She died at the age of 21 because of chronic depression.

Skurynek nie wprowadzaj ludzi w błąd. Te historie nie mają nic wspólnego ze sobą, poza tym, że twórcy twierdzą, że mają.

Not really.
Director said that he was basing the story on about last year of Magda Malarowska life.
Both story's are almost unconnected (unless we assume that suicide is enough for that. But not reasons of suicide, only simple fact of that.).