Cube Entertainment's new 7-member male idol group, BTOB, will soon release their debut digital single. On March 21st at 2PM KST, the group's debut tracks titled "Insane" and "Imagine" will be available on various online music websites.

Few hours prior the release, BTOB revealed its official album jacket cover. Released via United Cube's Twitter with the message, "At 2PM today, BTOB's first CD will finally be released! The title is called 'Insane' and 'Imagine' and it will soon be available online!"

Meanwhile, BTOB will also hold a premium launching show on March 21st and begin their activities at the same time. The "Premium Live Show" will be streamed through BTOB's official Youtube channel.