After that was a yearly single and an album release, starting with "N.M.N-No More Nayamimuyo-" in February 2006, "Kamisama Mou Sukoshi Dake" and their popular album, Jinsei Game in July 2006, "Gei School Otokogumi" in October 2007 and "Umanamide" in October 2008.
[2] "Umanamide" was used as the theme song to the anime Zettai Yareru Girisha Shinwa, which also featured Chiba as a voice actor.
[3][4] During a surprise concert on September 5, 2009, Sendai Kamotsu announced that the band would be going on a break due to the company going bankrupt in the economic recession.
[7] The band had their final shows at the end of October in Sendai and at the Nippon Budokan on November 5, 2009, titled "Fukyou no Kaze~Sendai Kamotsu ~Forever~.
He embarked on a short solo tour in three live houses: Nagoya Diamond Hall, Osaka Big Cat, and Shibuya O-East.
The short tour was called On the Road Until Sendai Kamotsu's Revival (仙台貨物 復活までの道のり).
The sextet returned with their four date tour "Hero ~The Comforting Express Home Delivery Service, Returned~" (「HERO」~帰ってきた癒しの宅配便~) tour in July,[9] as well as releasing two new songs via Dwango for download; "Hero ~Return of the Red Justice~" and "Okuru Kotoba 2."
[12] In April 2013, Sendai Kamorsu left their previous record label, Universal J, and joined Avex Entertainment after Chiba begged his big brother Yomi for a contact.