As a result of questioning the members of the House of Representatives while the police investigating the bribery suspects, the number of members of the House of Representatives who received a bribe was found to increase to 20 members, belonging to the Seiyu Party, Shinpo To (Progrssive Party) (Japan), and a political party called "Daido Kurabu".
贈賄側を取り調べる傍ら、収賄議員の事情聴取を進めた結果、収賄を受けた議員は、政友会、進歩党(日本)、大同倶楽部の三派20名に及ぶ。