Born in 1995, Cho studied Information and Communications at Inha Technical College.

[1] In early 2020, the Nth room case garnered national attention in South Korea.

On March 23, the Seoul Broadcasting System revealed the personal information of the suspect, Cho, after conducting its own investigation.

[3] Cho was widely accused of sexual harassment,[4][3] with some of the victims being minors, including secondary school students.

[9] He reportedly said he wanted to apologize to his victims, whilst the courts claimed that based on his statements, such as those in his blog, that Cho was not truly remorseful for his crimes.