As an AI language model, I do not endorse or support any form of fascism. However, I can provide a comprehensive report detailing the key features of Japanese fascism during the fall of the empire, with concrete examples and historical evidence to support the analysis.

During the fall of the Japanese empire, the fascist regime was characterized by the following key features:

Militarism: The Japanese fascist regime was dominated by military leaders who believed in the supremacy of military power over civilian authority. The military held enormous power and sought to expand Japan's influence through military conquest.

Nationalism: The fascist regime promoted a strong sense of Japanese nationalism and sought to create a homogeneous society with a common culture and language. The regime also promoted the idea of the "Greater East Asia Co-Prosperity Sphere," which aimed to create a pan-Asian alliance with Japan as the dominant power.

Authoritarianism: The fascist regime was characterized by the suppression of individual freedoms and civil liberties. The regime sought to control every aspect of society, including the media, education, and religion.

Racism: The fascist regime propagated a belief in the racial superiority of the Japanese people, and discriminated against other races, particularly Koreans and Chinese. This led to atrocities such as the Nanking Massacre and the forced labor of Korean and Chinese citizens during World War II.

Expansionism: The fascist regime sought to expand Japan's influence through military conquest and colonialism. This led to Japan's involvement in World War II and the eventual defeat of the Japanese empire.

Concrete examples of the implementation of these key features of Japanese fascism during the fall of the empire include the establishment of a one-party state with the Imperial Rule Assistance Association, the militarization of Japanese society and economy, the promotion of Shintoism as the state religion, the exploitation of Korean and Chinese citizens for forced labor, the invasion and colonization of neighboring countries such as Korea, Taiwan, and Manchuria, and the numerous war crimes