[4] On September 25, 2013, Choiza and Sulli were rumored to be dating after pictures of them surfaced on the Internet.

[5][6][7] Their agencies initially denied their relationship,[8] but later confirmed it on August 19, 2014,[9] as other pictures of them on a date surfaced on the internet.

[11] Both celebrities endured malicious comments and cyberbullying throughout their public relationship,[12][13] and after Sulli's death in 2019.

[20] The cyberbullying continued after he shared a farewell message to Sulli on Instagram,[21][22][23] forcing him to disable the comments on his account.

[24] On February 17, 2023, Choiza announced his upcoming marriage with his non-celebrity girlfriend in July 2023, after three years of dating.