According to drama channel KBS2, on March 4, the drama decided to part ways with the actor after much thought and discussion as a result of the school bullying controversy.
The production team is currently looking for a replacement actor but is still discussing various future measures. Details like how long Ji Soo will be appearing and when his successor will appear in the drama.
Since it began broadcasting on February 15, 6 episodes of “River Where the Moon Rises” have been shown. It was revealed that 18 of the 20 episodes had already been filmed.
Ji Soo's level of school violence was extremely severe compared to other school bullying controversies. The actor admitted to all the allegations and wrote a handwritten letter apologizing to everyone he had hurt. The drama's production team thought carefully but decided to replace the main character due to the seriousness of the controversy surrounding the main actor.
Netizens are responding positively to the news of Ji Soo's replacement as netizens commented:
“I'm happy to replace Ji Soo,”
"Why don't celebrities realize how terrible their behavior is until after their scandal breaks? Please reflect on your past for the rest of your life and live quietly,"
And “I won't even be mad if they start using smartphones in this historical drama.”