2. The defendant is co-defendant D in the first instance trial.

Co-Defendant D Co-Defendant D Co., Ltd. in the first instance trial (hereinafter referred to as “D”) is a company established on June 15, 199 for the purpose of soil construction business, reinforced concrete construction business, etc., and the Defendant served as the head of the department from February 22, 2011 to May 28, 2015 as a field agent, etc., and during the said period, D worked as a field agent in G construction site agent in G construction subcontracted from the G G construction industry Co., Ltd. for the said period from June 18, 2013 to May 31, 2014.

A and D's agreement on the trade of petroleum products and the defendant's joint and several sureties, etc. entered into an oil supply contract with D to continue to supply D's petroleum products, and A has traded in a way of occasional settlement after supplying oil on credit at the construction site of D at D.

On the other hand, "G construction work" is awarded a contract within the H site located in Daejeon Pungdong-gu I, Daejeon. On June 18, 2013, "H construction work" was subcontracted to D during the construction work amounting to KRW 981,20,000, and the construction work period from June 18, 2013 to May 31, 2014. The Defendant was appointed as a field agent at H construction site agent on June 18, 2013.

D was supplied with various kinds of oil at the construction site including H construction from A, and around 2014, as the financial situation of D has deteriorated and the amount of unpaid oil has exceeded 70,000,000 won, A rejected D's continuous credit transaction request, and D said D will additionally become a joint and several surety for continuous transactions.

Accordingly, in July 2014 and August 201, A trades with D as KI XX and early low sulfur transit (hereinafter “instant contract”).