The father of Mitsuru Kirijo and the son of Kouetsu Kirijo. He is the current head of the Kirijo Group. SEES first meets Takeharu on summer vacation when Mitsuru offers to take them a location owned by her family to relax. Although they initially see him as frightening, he is gradually revealed to have a gentle side. After some time, he explains the nature of how the Dark Hour came to be as well as the fates of the researchers who caused it, most notably of Eiichiro Takeba when he shows the party a tape of Eiichiro's parting words. As a result of his explanation, Takeharu was assumed to be the only real adult survivor of this ten year old incident. Takeharu is firm and bold in everything he does which frightens people that he first meets. He is particularly strict with his daughter but it is shown multiple times that he means the best for her and feels especially guilty that his daughter inherited his mistake.