On September 7, 2013 Kotka was elected to the party's board and later worked as an adviser to Tallinn Deputy Mayor Taavi Aas.[2] In 2014 she was chosen to Riigikogu to replace convicted Ester Tuiksoo.[3] Kotka was elected back to the Riigikogu in the 2015 election with 2,558 personal votes.[4]