7naako5, aoyagi touya, project sekai, commentary request, highres, 1boy, blurry, cloud, crossed legs, depth of field, floral print, floral print shirt, from behind, full body, gradient sky, grand piano, grey sky, indoors, instrument, male focus, official alternate costume, on bench, pants, piano, piano bench, print shirt, purple hair, sheet music, shirt, short hair, sitting, sky, solo, the first concerto (project sekai), white pants