Opposition party proposes to hold House of Representatives Political Ethics Committee. Members of the opposition party urged executives of the Abe and Nikai factions to attend.

Party members who are deeply suspicious have said that they have provided explanations in blog posts and press conferences. "No explanation has been given to the Diet. The first step is to explain the doubts at the review board," says main secretary of opposition party, Manabu Terada of the Constitutional Democratic Party of Japan, who is the main secretary.