When in doubt, tell the truth, Shincho-sya, 2020.
Head on, with Hirotada Ototake, Bungei Shunjyu, 2019
The Meaning of Loneliness, The Taste of Life as a Woman, Shincho-sya, 2019.
Choosing Politics, with Toru Hashimoto, Bungei Shunjyu, 2019.
War and Peace in the 21st Century: Why Conscription System is Needed Again, Shincho-sya, 2019.
Politics that is Important to You, Bungei-Shunjyu, 2018.
Realism of Nation State, with Naoki Inose, KADOKAWA, 2017.
A New World Order in the ‘Trump Era,’ Ushio, 2017.
Dilemma of the State, Shincho-sya, 2017.
A Guidebook to Japanese Politics and Diplomacy, Bungei Shunjyu 2015.
Civilian’s War: On the Origins of Aggressive Democracy, Iwanami, 2012.
