Later they formed Ryokufukai, an Innai group, with an emphasis on neutrality and the group once had great power in the national political scene as the largest group within the House.
だが、彼らはやはり不偏不党を謳った院内会派・緑風会を構成、一時は参議院最大会派として国政に大きな影響力を持った。