3girls, 4koma, ahoge, antenna hair, book, choker, collarbone, comic, english text, feathered wings, greyscale, hair between eyes, halo, hat, head wings, holding, holding book, long hair, long sleeves, looking at another, monochrome, multiple girls, pleated skirt, school uniform, serafuku, sidelocks, skirt, speech bubble, squiggle, sweat, twintails, wings