Dorothy Little Happy (often shortened to DLH) is a Japanese pop idol project under the label Universal GEAR. Dorothy Little Happy was formed in 2010 from graduated members of the unit B♭ from Step One Sendai Junior Talent Ageny. Producer Sakamoto Satoru got the inspiration for the group's name from the lead character in the novel "The Wizard of Oz" by L. Frank Baum. Dorothy Little Happy released their first single, "Jump!", in 2010 under an indies label.