Masterpiece, ultra detailed, high quality, anime style, 1female, solo, Shin Yuri, Korean, 21 years old, innocent looking, long straight hair, dark long hair, pure face, fair skin, very skinny, slender body, delicate figure, extremely thin waist, music student, soundproof music practice room, grand piano, back arched, arched back, dynamic pose, dynamic angle, leaning back against piano keyboard, dress disheveled, dress pulled up, exposing underwear, masturbating on piano, rubbing against piano key, holding smartphone, holding hidden voice recorder, voyeur turned submissive, blackmail files on phone screen, secret pleasure, masochistic ecstasy, degenerate smile, flushed face, rolling eyes, drool, wet stains on dress, dark erotic art, visceral, intense, shadow, vibrant colors, detailed illustration, <lora:cfg_scale_boost:.7>, <lora:dAIversityUnderstandingXLRealistic:.7>, <lora:Consistency Corrector XL V2:.8>