The manga follows Makoto Kubota, a 17-year-old ex-Yakuza member, who takes in a boy with amnesia called Minoru Tokito. Minoru was exposed to a drug called “W.A.” and his right arm was transformed into that of a beast. Makoto and Minoru investigate the drug and try to uncover Minoru’s past.
The Wild Adapter manga was licensed by Toykopop in 2006 for North America; after publishing six volumes, the company closed its North American publishing division.
The manga has two anime OVAs from 2002, which were never released in America and a new Wild Adapter OVA was announced earlier this year in the May issue of Monthly Comic Zero Sum magazine.