Harunaga was a Toyotomi retainer who served in the Sekigahara campaign on the Tokugawa side under Fukushima Masanori. He became one of the noted defenders of Osaka castle during the two campaigns there in 1614 and 1615. He was killed during the climactic Battle of Tennôji in June 1615.
References
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005