On October 14, an anonymous individual claiming to be RAVN's ex-girlfriend took to Twitter and shared a lengthy story about her and RAVN's relationship.

She also claimed that during their 2-year-long relationship, she even had to hide in a small closet as RAVN was afraid to be caught by his staff members.
Then on October 17, RBW took to ONEUS' official fan community and shared a brief statement regarding the allegations.
The agency's full statement is as follows:
Hello, this is RBW.
First, we sincerely thank the fans who care for ONEUS, and we are informing you that we are currently in the process of carefully checking the truth regarding the online post made about RAVN.
RAVN's all activities will be suspended until the fact-checking process is completed. ONEUS will continue the group's scheduled activities with five members.
If the alleged claim is confirmed to be false without a definite basis, we will take a strong legal actions through our legal representatives.
We express our sincere apology for causing concerns to fans, and we promise everyone to do our utmost best to precisely determine the facts.

(SBS Star)