Fly to the Sky's Brian candidly shared his past relationship with an actress who is now married.

On January 26th, Brian made a guest appearance on the SBS radio show 'Cultwo Show.' After listening to a submission about missing her ex-boyfriend, Brian shared his experience of encountering his ex-girlfriend at a broadcast station after their breakup. 

Brian said, "I spotted my ex-girlfriend at a broadcast station. I said hi because I knew her but then she gave me a side-eye without acknowledging me. Hwanhee saw that moment too." He briefly added, "Well now that she is married, I have to keep it private. She was an actress."

Meanwhile, Brian recently garnered much attention thanks to the popularity of his YouTube show 'Cleaning Freak Brian.'