leon no neko, natsu (blue archive), seia (blue archive), blue archive, commentary request, 1girl, ahoge, black thighhighs, blue sailor collar, blue skirt, bright pupils, cardigan, classroom, cloud, cloudy sky, curtains, desk, drink carton, elizabeth tower, grin, halo, holding, holding drink carton, holding milk carton, indoors, long hair, looking at viewer, milk carton, neckerchief, on desk, orange sky, pink hair, pink halo, pleated skirt, red eyes, red neckerchief, sailor collar, school uniform, shadow, side ponytail, sitting, skirt, sky, smile, sunset, textless cover page, thighhighs, white cardigan, white pupils, window, zettai ryouiki