A rap battle music franchise by King Records and Evilline Records.
The concept surrounds groups of three rappers, each representing a Tokyo district.
All rappers have an MC name.
Buster Bros!!! - Ikebukuro Division
- Yamada Ichirou / MC. B.B. (MC Big Brother)
- Yamada Jirou / MC. M.B. (MC Middle Brother)
- Yamada Saburou / MC. L.B. (MC Little Brother)
Mad Trigger Crew - Yokohama Division
Matenrou - Shinjuku Division
Fling Posse - Shibuya Division
Dotsuitare Honpo - Osaka Division
Bad Ass Temple - Nagoya Division
A group that once consisted of Yamada Ichirou, Aohitsugi Samatoki, Amemura Ramuda, and Jinguuji Jakurai.