4girls, bent_over, black_serafuku, black_skirt, blush, breath, brown_hair, cardigan, cellphone, classroom, clock, desk, dry_humping, exhibitionism, female_pervert, heavy_breathing, humping, long_hair, long_sleeves, looking_at_object, looking_at_phone, multiple_girls, neckerchief, open_mouth, pervert, phone, pleated_skirt, recording, ribbon, school_desk, school_uniform, serafuku, sexual_harassment, skirt, smartphone, yuri