|Affiliation||Murim, Sun-Woo Clan|
|Occupation||Elder of the Sun-Woo Clan|
|Fighting Style||Sun-Woo Style|
|Manhwa Debut||Chapter 4 (NW)|
Kim Sul-Joong is a member of the council of elders of the Sun-Woo Clan.
He is seen wearing a unichrome white suit and trousers. Along with his straight build this gives him a noble appearance. He has shoulder long dark hair. He needs glasses and has some wrinkles in his face.
He appears to be constantly worried about his surroundings, which makes him nervous if things turn out other than expected. He therefore was seen whispering a lot to Jang-Il Jeong whose lack in patience often would lead to things being unpredictable otherwise. He appears to be a smart character, who comes up with solutions quickly. This helps him keep his calm most of the time, despite his nervousness if he could not foresee things correctly.
The Breaker New WavesEdit
The Beginning of a New Legend in the Murim!Edit
Kim is first introduced meeting Shi-Woon Yi along with the other elders of the Sun-Woo Clan for the first time. He then proceeds to school Jang-Il particularly, trying to contain Jang-Il's agitation over the choice of a "brat" as head. As things turn out, that Shi-Woon does reject the responsibility of the head by returning the pendant, he switches to openly grumble about Jang-Il's rude behaviour.
Into the Depths of the Sun-Woo Clan's Hellish Training, Shi-Woon!!Edit
When meeting Shi-Woon for the second time, he was the one of the elders who came up with exhausting Shi-Woon to keep the latter from fighting Ji-Gun Yoo and safely turn him into a suitable head. As Jang-Il revealed to Shi-Woon by accident that the latter behaved as expected, he quarrelled with Jang-Il again.
When Shi-Woon went missing after his match with Ji-Gun Yoo he and Min Sa-Oak went looking for him. After Shi-Woon was found, Shi-Woon was officially recognized as new head of the clan.
He is later seen with the other Elders mourning the loss of Elder Jeong’s and their captured Ganju. Later on the Elders are contacted by Sera Kang about information about the location of Shi-Woon, with a little from Sera Kang he and members of Sun-Woo Clan along with Sera Kang travel by helicopter to rescue Shi-Woon. When they arrive he is surprised to see Shi-Woon fighting with Ju Sang-Sik.. As Jin-Ie jumps out of the Helicopter, Kim along with Min Sa-Oak follow her to stop her from falling. When they arrive on the ground Kim tells Jin-Ie to look after the Ganju while they take care of things. As Kim and Min prepare to fight the Murim Special Ops, they are then greeted by the Sun-Woo Clan members, and allow them to take care of things.