Kenji Asada leads Team Warrior, a police special operations unit handling high-risk assignments, coordinating missions and enforcing discipline. He possesses black hair and grey eyes. He shares a significant romantic relationship with fellow officer Maki Kawasaki, which impacts both their professional conduct and personal choices during operations.

His leadership proves crucial during the investigation into Samuel McCoy's white slavery ring, where Kenji participates in suspect interrogations. When teammate Yuka is kidnapped during an undercover mission at McCoy's establishment, official protocols prevent immediate rescue due to insufficient evidence. Kenji adheres to these procedures, a decision contrasting with Maki and Reimi's unsanctioned rescue attempt.

Later, Kenji directs authorized SWAT reinforcements assaulting McCoy's compound. Arriving by helicopter, he coordinates the tactical response and personally intervenes to assist Maki and Reimi during their confrontation with McCoy and his associates. His actions directly contribute to Samuel McCoy's arrest and the case's resolution.

His documented involvement centers exclusively on events within the 1991 original video animation; background details like specific age, personal history, or roles in other Burn Up! media such as Burn Up W, Burn Up Excess, or Burn Up Scramble remain undefined in the provided sources.