Kosaburo Eto (江藤 小三郎, Etō Kosaburō, 20 April 1946 – 11 February 1969) was a Japanese nationalist, thinker, social activist, Japan Ground Self-Defense Force official, and member of a leading Japanese political family.
[2] On 11 February 1969 (the National Foundation Day of Japan) aged 22, he committed suicide through self-immolation next to the Memorial Hall of Constitutional Politics, located in front of the Houses of Parliament.
In 1969 the leading Japanese literary figure and nationalist Yukio Mishima noted in his Wakaki Samurai no tameno Seishin kohwa (『若きサムラヒのための精神講話』, Spiritual lectures for the young Samurai) as I am one of the readers who read the most intense criticism against the politics as a dream or art for seriousness of Young Kosaburo Eto, who set himself on fire.
[3] On 11 February 1975, a memorial ceremony in honour of the life of Kosaburo Eto took place at Nogi Shrine, in Akasaka, Tokyo.
Eto's kakuseisho ended with the following jisei or death poem, a common element in Japanese ritual suicide.