masterpiece, best quality, extremely detailed, (Watercolor), Western prince drinking green tea from a Japanese teacup, blonde hair (short hair, parted to the side), manju on the mahogany table in his study, Westerner who loves Japan, holding teacup close to nose, closing eyes to enjoy the aroma of tea, suit (no tie, white shirt with stand-up collar), only one teacup held by the prince (no other teacups), on the table (one teapot, one tea saucer)