Origin
Taisei Aranami is the son of Hideo Aranami, the CEO of Aranami Heavy Industries. Growing up with a corrupt criminal of a father, Taisei easily grew up into a lazy and sadistic young man.
Creation
Taisei Aranami is an antagonist in the Triage X series that was created by Shoji Sato. It began serialization as a bi-monthly series in Fujimi Shobo’s Monthly Dragon Age in 2009.
His first appearance was in Triage X Volume 1 CH. 3 “CASE: 1 Hell’s Prescription III – Trial of the Burning Ship”.
Major Story Arcs
CASE: 1 Hell’s Prescription
Taisei was approached to be the new CEO of Arinami Heavy Industries after his father had been killed by some group in body armor. Jin Masaki, his father’s lawyer, had been the one who approached him to take over the company. However, the first order of business was to find the bank books of the company that Mr. Fujino had been hiding and planed to hand over to the police.
They abducted Mr. Fujino, along with his daughter Miss Fujino to the fourth floor of Arinami Concrete Inc Taisei had his guys torture Miss Fujino and made her father watch. When police detective Isoroku Tatara walked into their torture, Taisei played it off as they were making a student film. Taisei thought this cop was unable to stop him with Masaki’s legal protections and his fathers money. Soon after, a motorbike with two Black Label members, Arashi and Mikoto, came riding through the window. Arashi called Taisei a cancer to the city, then shot him in the head.