Fight! Green Beret-kun

The Green Berets are the strongest army on earth. Kotetsu, an elementary school student, joins the American Special Forces during his summer vacation. Kotetsu, who has transformed into a strong (!?) Green Beret, goes on a rampage at school. Will it be carried out with military dog ​​Andre? A number of strategies... A battle gag involving the first ever elementary school Green Berets!