Kacchoii ze! JAPAN (カッチョイイゼ！JAPAN; Very Cool! Japan) is v-u-den's second single. It was released on March 2, 2005 on the PICCOLO TOWN label. The first press edition of the single came with the Hello! Project photo card #0108 and the first press edition of the Single V came with the Hello! Project photo card #0121. The song was used as part of the VISIT JAPAN CAMPAIGN by the Japanese Ministry of Land, Infrastructure and Transport. The single appears on the albums Suite Room Number 1 and v-u-den Single Best 9 Vol.1 Omaketsuki. The PV for the single appears on v-u-den Single V Clips 1 and v-u-den Single V Clips 2 ~Arigatou v-u-den Debut Kara no Daizenshuu~. The single V was released on March 9, 2005.