Gunggwigeomsin 2-bu: Gunggwiui Huye

궁귀검신 2부 : 궁귀의 후예

Eulji So Moon has aged well and is now a grandfather. He orders his mischievous grandson to go on a joyful trip to Zhongyuan! To save the fallen Namgung family clan and help them spread their wings once more, Eulji Ho’s journey starts now!! (Source: KakaoPage, translated)