In the Hypnosis Mic 2.5D music project, Buster Bros!! is the Ikebukuro-based rap group featuring the members (and brothers) Saburo Yamada (voiced by Kouhei Amasaki), the youngest; Jiro Yamada (voiced by Haruki Ishiya) the middle brother, and their leader/older brother Ichiro Yamada (voiced by Subaru Kimura).