During this time, Kowashi INOUE convinced Kaoru INOUE, a sworn ally of Ito (Inoue thought of introduction of parliamentary Cabinet system in future), and asked Ito to cooperate with Satsuma domain clique and decide on establishment of a constitution and the time of opening a parliament.
この間にも井上毅が伊藤の盟友・井上馨（当初は将来的な議院内閣制導入を唱えていた）を自派に引き入れ、伊藤が薩摩藩藩閥と結んでまず憲法制定・議会開催時期の決定することを求めた。