India, Feb. 5 -- Shock and anguish has taken over residents of Ghaziabad after the deaths of three sisters who jumped off the ninth-floor of a high-rise society in the city. Grim details from a note in the diary the siblings reportedly left behind have revealed their obsession with K-dramas, K-pop and the Korean culture.

Amid the ongoing investigation into the case, an eyewitness recalled the conversation among the siblings' parents after the three died by suicide at around 2 am on Wednesday, February 4.

The girls' family situation was complex. Their father was married twice and lived with both his wives at the Ghaziabad high-rise. The eldest girl, 16, was from his first marriage and also had a brother, 13. The other sisters, 14 and 11,...