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Last March, Jang Yoon Jung had submitted an injunction in court to get back the money her brother Jang Kyung Young borrowed from her. Jang Yoon Jung claimed that her brother had borrowed 500 million KRW (~$431,355 USD) from her under the pretext of investing the money, but had only paid back 180 million KRW (~$155,246 USD) of the principal and failed to repay the rest. However, Jang Kyung Young rebutted that the money he had borrowed from his sister didn't exceed 130 million KRW (~$112,122 USD) and the remaining 350 million KRW (~$301,868 USD) he borrowed from their mother, Yuk Heung Bok. 

During the first trial, the courts ruled in favor of the plaintiff, ordering for Jang Kyung Young to return 320 million KRW to his sister. At the ruling, Jang Kyung Young had promptly submitted an appeal.