Yamaneko is an eccentric and mysterious 'Phantom Thief' who steals from the corrupted rich while exposing their misdeeds. Along for the ride is Katsumura Hideo, a magazine reporter who, at Yamaneko's request, is writing a feature on the 'Phantom Thief', and Takasugi Mao, a bullied schoolgirl who is secretly a genius hacker. ~~ Adapted from the manga series "Kaito Tantei Yamaneko" by Manabu Kaminaga.