GOSU

 is an action webtoon created by Giun Ryu and Mun Jeong Hoo; it updated every Sunday. The original webtoon is in Korean.

Synopsis
''Following his mentor's death, his protege, Gang Yong, makes it his life's purpose to avenge those who wronged his mentor. His cover? A chubby dumpling delivery boy.''

Related

 * Yongbi the Invincible - Same Creator