Naiki Takanashi

Naiki Takanashi is an older (before Otani Yoshitsugu) father-in-law of Yukimura Sanada (His daughter, Uneme, Yukimura's old concubine married after the original legal wife Hotta Sakubei's sister and years before the younger Akihime). Little is known about his origins and achievements as he lived an unremarkable life.

Samurai Warriors
Taking cues from NHK's Sanada Maru drama, Naiki is made a Sanada retainer in Samurai Warriors: Spirit of Sanada. First appearing at Kawanakajima, he aids Masayuki in delivering supplies to the Takeda and later helps him gain prominence during the Tensho-Jingo conflict. He also instructs a young Yukimura to gather medicine in a futile attempt to save the ailing Katsuyori Takeda.

Naiki also participates in both defenses of Ueda Castle, bravely facing Naomasa Ii in the first battle and pursuing Hidetada Tokugawa at Someyadai during the second. He becomes an active supporter of Yukimura's last stand in Ōsaka, and is killed by Takatora Todo during the final stage.