1girl, aged_up, alternate_costume, ass, blazer, braid, clothes_lift, from_behind, genshin_impact, gradient_hair, green_eyes, grey_hair, hair_between_eyes, hair_ornament, holding, jacket, koyui_(ziwei), lifted_by_self, long_hair, long_sleeves, looking_at_viewer, looking_back, multicolored_hair, nahida_(genshin_impact), pleated_skirt, pointy_ears, reflection, school_uniform, sidelocks, single_braid, skirt, skirt_lift, smile, solo, symbol-shaped_pupils, train, train_interior, twintails, window