Japanese Idol Concert Portrait

A realistic vertical portrait of a top-tier Japanese idol singing on a grand concert stage, with a joyful radiant expression. The image emphasizes a polished, glamorous performance look in a portrait-oriented composition.

Create a realistic, vertical 3:4 portrait of {argument name="subject" default="a top-tier Japanese idol, stunning and adorable"}, singing on {argument name="setting" default="a grand concert stage"}, her face radiating pure joy.