BKB, a popular comedian also known as Bike Kawasaki Bike, formed a music unit in October 2021. The unit features BKB on lyrics, composer Nanbu on music, and different vocalists for each song. Their debut single will feature Ari from the ballet entertainment unit Colorpointe. BKB, who gained attention for his moving novel "Pretending to be on the Phone" in August 2020, is showcasing his unexpected literary talent through this new music project.