3B LAB.☆, also known as 3B Lab.Star or 3B Lab.s, is a punk rock band that originated in 2001. The band was initially formed by Kenji Okahira, formerly a member of the band 19, along with Chiba Takatoshi, Tamakoshi Masahiro, and Uneoki Shuji. Known for their energetic punk sound and reflective lyrics