An Island Park man admitted to driving drunk during a December 2015 accident in East Flushing, Queens, that killed his passenger when the sports car he was driving slammed into the back of a school bus.

Kyung R. Song, 29, pleaded guilty to first-degree vehicular manslaughter and driving while intoxicated before acting Supreme Court Justice Dorothy Chin-Brant on Monday, authorities said.

The passenger, Nara An, 24, died after suffering massive head injuries in the crash, according to police.

“This case is yet another example of how deadly motor vehicles can be and the consequences of climbing behind the wheel of an automobile and engaging in such reckless behavior as speeding,” Queens District Attorney Richard A. Brown said in a statement. “This was an absolutely senseless tragedy with deadly consequences that could have easily been avoided.”

Brown said Song was driving a 2014 Porsche during the pre-dawn hours of Dec. 18, 2015, when he crashed into the back of the unoccupied bus parked on Sanford Avenue.

Song has been free on $750,000 bond or $500,000 cash bail since his arraignment in December 2015.

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He will be sentenced Sept. 15 to 3 1⁄3 years to 10 years in prison, Brown said. After release, he will be required to install an ignition interlock device for two years on any vehicle he operates.

Song’s attorney could not be reached for comment.