In the 2010 AKB48 general election, Haruka Ishida placed 27th with 3,235 votes.[2] In the first AKB48 rock-paper-scissors tournament, which took place in September 2010, she placed second overall, and as a result, she landed her first appearance on an A-side of an AKB48 single.[3]
In December 2011, Haruka Ishida auditioned for the science-fiction anime series AKB0048. Among the 200 participants, she was selected to be among the main cast of nine, with the role of Kanata Shinonome.[4] In addition to singing the insert songs in the anime, she sang on the theme song as the group "NO NAME"[5][6] releasing it as a single. She was a center performer of the B-side song "Gugutasu no Sora" which was on Manatsu no Sounds Good!.[3] At AKB48's 2012 general election she ranked 50th, and as a result, appeared on the B-side single "Show Fight" from the group's 27th single Gingham Check.[7] On July 7, 2012, Haruka Ishida appeared as a guest commentator at the Nico Nico 4th Video Awards.[8][9]
Haruka was a semi-regular guest in 2011 on the variety show Dream Creator which was broadcast on TV Tokyo. In mid-2012, she became a co-host on the show.[1]
On March 30, 2016, Ishida left the group to pursue a career as voice actress.[10]