Hitotsui Hajime

Hitotsui Hajime is a minor character in the Toaru Majutsu no Index series. He is a famous idol with a successful singing and acting career.

Kamijou Shiina, Saten Ruiko, and Yomikawa Aiho are fans of him.

Appearance
He is a brunet, with a handsome face that is required for being an idol. He is often seen scantily clad with a white jacket black leather pants. He has a tall and lean build.

Personality
Not much is known about him, but in his appearances, he is very showy. Also, Kamijou Touma describes him as shallow.

Level Upper Arc
In the anime adaptation, he is referenced by Saten Ruiko, stating that he has a released album available for purchase, and that she has already downloaded the album but will buy it as well as she wants a merchandise available only to the first 100 who have bought it.

Angel Fall Arc
As with the effects of Angel Fall, Tsuchimikado Motoharu's got his appearance transferred with Hitotsui Hajime, making it problematic for him to go outside or show himself to people other than Touma, Kanzaki Kaori, and Misha Kreutzev.

In the light novel version, he is referenced as having been exposed in the tabloids a few days earlier, having an affair with another famous female star, annoying his fan base consisting of rabid girls. His appearance is shown only in the anime version, when Touma sees him on the television.

Academy City Invasion Arc
Before the invasion of Vento of the Front, Hajime is referenced in television being chose to play a lead part on an upcoming foreign movie.

St. Germain Arc
The idol somehow ends up in TV Orbit. Prior to St. Germain's sealing of the Dianoid, he is sleeping in his dressing room, which is broadcast in the mall as part of a "behind-the-scenes" program by the station.

World Rejecter Arc
While Kamisato Kakeru was at a ramen shop with Patricia Birdway, Claire, Ellen and Elza, he caught a glimpse of an extra-long two hour drama on TV where Hitotsui Hajime was playing the protagonist, a college boy with no real interests or skills, for some reason being served by several rather high-spec girls whose powers he used like seven tools to defeat a crooked job-hunted official, apparently a revenge story. Given the setting and pop culture jokes, it was speculated to be an adaptation of a manga being used to raise some of the actors' popularity.

Salome Arc
Hitotsui Hajime was the guest of the day on a program which was being shown on the TV at the bank which Hamazura Shiage and Takitsubo Rikou visited on December 4th, where the former was approached by Salome.

Trivia

 * When Hajime appeared on TV, he is voiced by Taniyama Kishō, who also voiced Stiyl Magnus.