Tekkonkinkreet

鉄コン筋クリート

Black and White, two orphaned boys known as the Cats, rule the rooftops and back alleys of Treasure Town, a sprawling, decaying city they treat as their own turf. The streetwise Black looks after the childlike White, and together they fend off rivals through the city's underbelly. Their hold slips when yakuza and outside developers move in to redevelop Treasure Town, scattering the pair and the fragile order they kept.