!?, 2girls, 6+boys, :d, anal, anal object insertion, bangs, blush, braid, cellphone, chair, collarbone, comic, desk, earbuds, earphones, emphasis lines, faceless, faceless female, glasses, greyscale, hair over shoulder, hairband, holding, holding phone, indoors, long hair, low twintails, miniboy, monochrome, multiple boys, multiple girls, object insertion, on chair, oral, original, pants, phone, pleated skirt, ponytail, sailor collar, school chair, school desk, school uniform, serafuku, shaded face, shirt, sitting, skirt, sleeves past wrists, smile, speed lines, spoken interrobang, standing, sweat, torn clothes, torn pants, tsuchikure, twin braids, twintails, wavy mouth, window