1boy, 1girl, d, bare_shoulders, blunt_bangs, blush, book, breasts, comic, cup, demon_girl, demon_tail, demon_wings, dress, elbow_gloves, fangs, foot_up, gloves, greyscale, hair_ornament, hand_up, indoors, koyuki_(kotatsu358), large_breasts, monochrome, original, outline, smile, solo_focus, speech_bubble, tail, teeth, twintails, upper_teeth_only, white_outline, wings, yandere