Light Novel Other Size The enemy is Ieyasu.

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Winning the Special Award at the Alphapolis 6th History and Period Novel Awards
Yashichi, a young man who is good at throwing gravel, has lived in a poor village called Hoto, crawling on the earth without dreams or hopes. One day he accidentally took the life of another with his own gravel, and he jumps out into the outside world with a man called Nezumi, a former thief. Before long, the two became involved in the construction of a fort in Owari Province as a member of the Kurokuwashu, a group of construction works. It was the first fulfilling time in his life for Yashichi. However, those days came to an end when Imagawa Yoshimoto, who was aiming for Owari Province, launched a war against the feudal lord Oda Nobunaga. A large army came to attack Fort Marune in the Oda territory where Yashichi was staying. Yashichi decided to fight with the Oda army. However, the large army was led by Motoyasu MATSUDAIRA, later Tenkabito Ieyasu Tokugawa. On the eve of the Battle of Okehazama, a young man without a name ran through the age of civil war!