Ichibu to Zenbu/Dive
The single has received several certifications from the Recording Industry Association of Japan. "Ichibu to Zenbu" has been certified for selling more than 1,000,000 ringtones, 750,000 full-length downloads to cellphones and 250,000 downloads to PCs. The physical single was certified platinum for shipped more than 250,000 copies. Chad Smith, from Red Hot Chili Peppers, and Juan Alderete, from The Mars Volta, guest appeared on this single on the drums and the bass guitar, respectively. The song "Ichibu to Zenbu" was used as the opening theme in the Japanese TV series "Buzzer Beat". Ichibu to Zenbu