The Democratic Party of Japan(remember them?) are campaigning on a platform of criticizing the economic policies of the LDP:
the DPJ will stress the “strong side effects” on the economy from “Abenomics,” … and will warn of “various concerns, such as excessive weakening of the yen and vicious inflation.”
More here: DPJ to play up dark side of ‘Abenomics’ in Upper House poll
The election for the Japanese upper house is on July 21.