Three sisters aged 16, 14, and 12 jumped to their deaths from a ninth-floor flat in Ghaziabad, leaving a diary note apologising to their father.
Police link the incident to addiction to a task-based Korean online game that kept them out of school for three years and sparked obsession with Korean culture.
Experts highlight how gaming addiction causes isolation, identity collapse, and suicidal tendencies, especially in adolescents lacking emotional support.