The lead guitarist of his former band. After the breakup of Black Heaven, he took an office job to support his growing family. Years later, he's facing a mid-life crisis wondering what went wrong. That's when Layla Yuki approaches him asking him to play for her.

Ouji Tanaka has a wife, a child and a mundane job as a salary man in Tokyo's modern society. But life wasn't dull for him to begin with; 15 years ago, he was known as "Gabriel", leader of a short-lived heavy metal band called Black Heaven. Ouji's life gets a sudden change in direction when he is invited by a mysterious blonde woman named Layla to pick up his Gibson Flying V and once again display his "legendary" guitar skills, not knowing that his music generates power for a massive weapon in an intergalactic war.
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(Source: Anime News Network)

Beau M. Billingslea is an American actor and voice actor. He is best known as the voice of Jet Black from the popular anime Cowboy Bebop. In addition to voice acting, Billingslea has appeared in many popular TV series as a prolific guest actor. Before he got into acting, he played football at the University of Connecticut.

Ouji Tanaka is an undistinguished middle manager (section chief). However he does have a past as a rock guitarist. Layla, an alien, suddenly appears to Ouji and tells him that she needs his help to fight a vicious (?) alien. With what weapon? His hot rockin' soul!
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(Source: Dragon Age Comics, translated)