Japanese tattoo style artwork, postcard size (15x10 cm)

Japanese tattoo style artwork, postcard size (15x10 cm). A fierce Oni mask as the central element, surrounded by flowing water and a graceful koi fish swimming upward. In the background, a traditional Japanese temple with curved rooflines, slightly faded like an ancient painting. Bold outlines, rich details, strong contrast, black and red tones with subtle gold highlights. Composition balanced for tattoo design: clear shapes, harmonious flow, no overcrowding.