A political group headed by education minister Bunmei Ibuki logged a combined 8.75 million yen in "office expenses" in 2004 and 2005, a period the group's political funds report indicates it had little or no activity and had a rent-free office, it was learned Friday.

According to the official funds reports for the two years, Kozo Kaikau Kenkyu Kai (Structural Reform Study Group) did not spend any money on utilities or personnel, indicating it was not operating and did not employ anyone.

The 8.75 million yen was listed under office expenses, which is for office maintenance. On the same report, the group has entered its main office space as rent-free.