ultra-realistic, photorealistic, dramatic scene, shadow, global-illumination, A duo performance of flute and cello at a modest home Christmas party, (the human-like very large black chubby cat with vertical striped green apron is playing the cello in the stylish Japanese apartment room), (A beautiful with cute Japanese 20 years old girl is playing the flute), (20 years old girl with shoulder-length brown ponytail hair is showing smile), the girl looks so happy, a TV and table and shelf are in the room, gorgeously decorated with Christmas decorations, Christmas tree, stylish furnishings,