A medical personnel from Lee's Detective Agency recommended by Mr. Lee, Aak was a well-known underground doctor operating in the gray zones of Lungmen. After joining, he proved to be a tremendous wellspring of medical knowledge and theory with the clinical experience to back it up, though his style of practice is rather worrying. However, based upon Dr. Kal'tsit's comprehensive evaluation, he was recommended on a provisional basis to the medical equipment department and technological development