3girls, black choker, black hair, blush, bow, bowtie, breasts, chair, choker, classroom, collared shirt, comic, desk, flying sweatdrops, greyscale, indoors, long hair, medium hair, monochrome, multiple girls, original, plaid, plaid skirt, school chair, school desk, school uniform, shirt, short hair, short sleeves, skirt, sweatdrop, tachibana yuu (yakitomato), yakitomato