As of December 2021, there is no second part.

"Shark: The Beginning" is an action film directed by Chae Yeo-joon and starring Kim Min-seok, Wei Hwa-jun, Jung Won-chang, Lee Jae-kyun, Bae Myung-jin, Lee Jung-hyun, Cha Ye, Shin Min-jae, Lee Hyun-wook, and Lee Eun-jae.

The film is adapted from the online comic and will be launched in South Korea on June 17, 2021.

As of now, there is no official news about filming a second part.

Plot:

The protagonist Cha Woo Sol was bullied by the school bully all day long. Due to his own cowardice, he did not dare to tell his parents and teachers that he was beaten by the school bully once. Finally, the angry Cha Yusolu poked Baek Xican's eyes with a pencil.

Afterwards, Cha Yusol was sentenced to several years in prison for negligent wounding. In prison, he met the former Korean fighting champion Wei Huajun. Cha Yusol started the road to revenge by learning kung fu!