A man in Australia was sentenced to 18 years in prison for strangling a woman with a phone charger cord and burying her body at a park in Sydney.

Chulsoo Jung, 56, was sentenced Friday at the New South Wales Supreme Court with a non-parole period of 13 years and six months.

Jung pleaded guilty in February to the murder of Min Sook Moon, 49, whom he was having an extramarital affair with for three years, 7NEWS Australia reported.

Born in South Korea, Jung moved to Australia in 2010 and met Moon when he used to deliver Korean food to her family-operated grocery store in Epping, about nine years before the incident.

After an affair of three years, Jung strangled Moon to death when she reportedly threatened to tell his wife about their relationship.

Surveillance footage from March 8, 2021, captured Jung driving his work van to meet Moon in a car park. He was filmed getting out of the driver's seat and moving to sit behind the front passenger's seat before Moon arrived.

When Moon entered the vehicle and sat in the front passenger seat, Jung strangled her with a phone charger cord for about five-and-a-half minutes.

Jung destroyed Moon's phone and bought a shovel before returning to his home with Moon's body still in his van. He drove to Blaxland Riverside Park the next morning and buried the victim's body near a tree, and headed to work after.

Moon's family reported her missing when they couldn't contact her, according to ABC Australia.

Jung initially gave cops different stories about the events but later confessed to killing her when she demanded he get a divorce and threatened to disclose their affair.

"... without me realizing it, I think I felt the urge to just kill her," Jung said, according to court documents.

Jung helped the police find Moon's body in March last year. He pleaded guilty in February this year to murdering the woman.

Justice Harrison said Jung initially made a "clumsy attempt" to cover up the killing but has since shown remorse.

Harrison said in court Friday that Jung's lack of criminal history and the age at which he will be released from prison make it highly unlikely for him to re-offend.

"On Jung's account he just went crazy," said Harrison, who described the murder as a "violent act of uncontrollable passion."

Jung was handed his sentence Friday, making him eligible for parole in September 2034.

Representational image: police car
Representational image (Source: Pixabay / tevenet)