momo (nikki), nikki (nikki), infinity nikki, nikki (series), artist request, official art, 1girl, ahoge, animal, black bow, black ribbon, blush stickers, bow, bowtie, cat, closed eyes, closed mouth, clothed animal, crying, ear covers, expressionless, frown, hair bow, hair intakes, hair ribbon, head only, headphones, heads together, hood, hood up, listening to music, long hair, low twintails, musical note, parted lips, pink hair, red bow, red bowtie, ribbon, sad, sidelocks, streaming tears, tears, traditional bowtie, transparent background, tress ribbon, twintails, wavy hair, whiskers, white cat, yellow hood