Kazesane Kōsaka (高阤 風実) is a fictional Koga Ninja that appears in Pure Heart: Ninjutsu Chronicle. One of the heads of the Kōsaka Family. About/Creation & Concept One of the heads of the Kōsaka Family. His wife is Osei of Iga; son is Kyoushirou Kousaka; he also have three daughters. Possible death range is 1561 - 1565. Friend of Ryōtarō Tsukimori, which was the first idea MGW had in mind in creating Kazesane.