masterpiece, best quality, solo, 1girl, aged up, happy, natsumi_onitsuka, onitsuka_natsumi, long hair, pink hair, blonde hair, gradient hair, multicolored hair, braid, twin braids, pink eyes, flower accessory, floral idol costume, cherry blossom kimono dress, ribbon obi, sakura hair ornament, outdoor stage beneath blooming trees, petals falling, warm spring breeze, gentle smile, soft and graceful performance
