He dropped out of middle school in order to accompany his father to an international conference of legislators in France, and stayed on, working his way through the Law Department of Paris University.

He was greatly influenced by the philosophy of Romain Rolland and the Clarté ("Clarity") movement of the French novelist, Henri Barbusse, which encouraged him to participate in pacifist activities.

Komaki returned to Japan in 1919 and founded the literary magazine Tane Maku Hito ("The Sowers") in October 1921, named after the famous painting by the French artist Jean-François Millet.

His works include Ikoku no Senso (Other Countries’ Wars) and Furansu Kakumei Yobanashi (Evening Conversations on the French Revolution).

He later spent some years in French Indochina, but returned after World War II to Kamakura, where he lived until his death in 1978 at the age of 84.