Nihongou is a character in the online game and anime series 'Touken Ranbu Online.' He is the personification of a famous Japanese spear, brought to life to defend history from evil forces. Nihongou is known for his boisterous personality and love for sake, often portrayed as outgoing and sociable among the sword warriors. As a member of the 'Touken Danshi,' he plays a crucial role in protecting historical events and supporting his team in battle with his strength and lively spirit.