(masterpiece, highest quality, extremely detailed, anime, cartoon, manga, 2D), a woman with long blue hair, hatsune miku, joyfully laughing, wrists restrained in a high-backed chair by straps with metallic buckles, sleeveless, arms up, (hands tickle her armpits from behind), mouth open, teeth visible, eyes open, The background features a brick wall, staged indoor environment, The overall atmosphere of the image is lively, with a sense of merriment and excitement captured in the person's animated expression, (tickling), detailed hands, detailed, (armpit tickling)