Kongou Mitsuko's Father

Kongou Mitsuko's Father (婚后光子の父親) is the unnamed head of Kongou Airlines.

Appearance
Much like his daughter, he has a prominent forehead, flanked by two fringes of his black hair. He wears a traditional Japanese attire consisting of a black kimono with a light gray coat.

Background
When he was a student, he had a friend who did a fair number of stupid things. He still keeps in contact with this friend, who is travelling around the world, by letter. It is later confirmed by Railgun manga editor Ogino Kentarou that this friend is indeed Misaka Tabigake.

Silent Party Arc
The night before the Silent Party, Kongou Mitsuko contacts her father to request the use of the Ekaterina II S against STUDY. He then speaks to a worker in the company's second factory in Academy City, asking him if he can go along with his daughter's request.

Daihasei Festival Arc
Kongou is with her father during the Night Parade in the night of the first day of Daihaseisai. While in the manga, they are standing together in a street, they are in a car in the adaptation.