India, Feb. 5 -- Three sisters aged 11, 14 and 16, obsessed with Korean culture and influenced by a task-based online game, died by suicide by jumping off a modified window of their ninth floor flat in a Ghaziabad high-rise in the early hours of Wednesday.

The grisly deaths of the three minor half-sisters at 2am on Wednesday left behind a puzzling trail of questions that were only compounded by their father's and the police's contradictory statements, a final message scribbled in blue ink on a piece of glass, shocking revelations in a eight-page "diary entry", the financial duress that allegedly weighed heavily on the family, and the repeated appearance of Korean culture in the narrative.

Ghaziabad Police and eyewitness Arun Kumar confi...