Takaharu Igasaki (伊賀崎 天晴 Igasaki Takaharu) is AkaNinger (アカニンジャー Aka Ninjā, Red Ninja), who is also known as The Fiery Ninja (熱い忍者 Atsui Ninja), the Red Ranger and the leader of the Ninningers. He is the older brother of Fuka Igasaki. He is called as Brother Taka (タカ兄にい Taka-nii) by Yakumo and Taka-chan (タカちゃん) by Nagi. Takaharu is 20 years old at the beginning of the series. He is the oldest among the five main Ninningers and second oldest among all the Ninningers.