saihate (d3), commentary request, official art, 1girl, blue eyes, blue hair, blue sailor collar, blue skirt, brown hair, brown sky, chair, cloud, curtains, desk, floating hair, gradient hair, hand up, indoors, long hair, long sleeves, looking at viewer, low twintails, multicolored hair, parallel artist project, pleated skirt, puffy long sleeves, puffy sleeves, sailor collar, school chair, school desk, school uniform, serafuku, shirt, skirt, sleeves past wrists, solo, sunset, tokiwagi hata, transparent, twintails, very long hair, virtual youtuber, white shirt, window