character: sakurauchi_riko. A medium shot from a slightly low-angle perspective captures sakurauchi_riko performing at her birthday live concert, standing centrally on a grand stage. She is a young woman with long, flowing red hair and sparkling yellow eyes, wearing a detailed, shimmering idol dress with layers of frills and ribbons. She has a radiant, joyful smile on her face, with tiny beads of glistening sweat on her forehead and cheeks, reflecting her energetic performance. Her hands are raised enthusiastically toward the audience, clutching a microphone in one hand. The background is a vast, dark concert venue filled with a dense crowd of fans, whose countless glowing cyalume light sticks create a sea of vibrant colors. Brilliant, sparkling spotlights pierce through the air, casting shimmering beams of light and creating a bokeh effect of floating glitter. The atmosphere is electric and celebratory, characterized by high-contrast lighting and a vivid, celebratory color palette.
