1boy, 1girl, ahoge, androgynous, bare_shoulders, bon_bon_eee, closed_mouth, collarbone, greyscale, hair_down, half-closed_eyes, kagamine_len, kagamine_rin, looking_down, medium_hair, monochrome, parted_lips, reference_sheet, short_hair, sketch, topless, unworn_hairclip, vocaloid