After Mutsu's death, his comrades such as Saionji, Hoshi, and Hara started on Rikken Seiyukai (a political party organized by Hirobumi ITO) with Ito at their head.
陸奥の死後、同志であった西園寺・星・原が伊藤を擁して立憲政友会を旗揚げすることになる。