riya (01214), melusine (fate), fate/grand order, fate (series), highres, 1girl, blue bow, blue serafuku, blue shirt, blue skirt, bow, brown eyes, closed mouth, crop top, from side, grey hair, hand up, high ponytail, indoors, long hair, long sleeves, looking at viewer, looking to the side, midriff, petals, pleated skirt, ponytail, puffy long sleeves, puffy sleeves, sailor collar, school uniform, serafuku, shirt, skirt, smile, solo, very long hair, white sailor collar