The idol said, "It's my first time officially releasing a mini album and I'm really happy that it's received such attention but in a way, there's pressure. It's my first time going solo after being in a group so the pressure is quite big."
He continued, "During my hiatus, I tried acting and also prepared my album. I officially started preparing for it about one year ago. I spent my days taking lessons and producing."
Thunder's first mini album will be released December 7 at midnight (KST).