4girls, d, blonde_hair, breasts, brown_jacket, brown_skirt, bullying, collared_shirt, desk, dress_shirt, glasses, jacket, koyuki_(kotatsu358), large_breasts, long_hair, long_sleeves, multiple_girls, no_eyes, opaque_glasses, open_mouth, original, pleated_skirt, ponytail, school_desk, school_uniform, shirt, short_sleeves, sitting, skirt, smile, speech_bubble, teeth, upper_teeth_only, white_shirt