masterpiece, best quality, solo, 1girl, aged up, happy, mari_ohara, ohara_mari, long hair, medium hair, bangs, blonde hair, braid, hair rings, yellow eyes, crown braid, sunset-themed idol costume, orange-to-purple ombré dress, sheer sleeves, sun motif accessories, seaside cliff stage during golden hour, waves below, warm glow on her face, singing into the horizon, wistful and shining expression
