On June 14, 2011, Beast held a surprise event at Tokyo, Shinjuku Station Square where they performed “Bad Girl (Japanese version)” and their debut single “Shock (Japanese Version) in front of approximately 5,000 fans. The event was held in order to promote the release of their second single which was set for release on the following day, June 15, 2011. However, Beast leader Yoon Doo Joon was not present in the event due to conflicting schedules. The group also held a two-day mini-concert titled Beast Night on June 22, 2011 at Studio Coast in Tokyo as a celebration for the release of their single. They also announced during this event that they'll be releasing their first regular Japanese album in August which would include their first two releases.
