(CNN) -- A South Korean couple arrested for allowing their baby to starve to death had been raising an online child, state media reported citing police sources.

The couple, residents of a Seoul suburb, allegedly neglected their prematurely born three-month-old daughter, feeding her just once a day in between 12-hour stretches at a neighborhood internet cafe, the official Yonhap news agency reported.

Police said the couple had become obsessed with raising a virtual girl character called "Anima" in "Prius Online", a popular role-playing game in South Korea.
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