1girl, animal ear fluff, animal ears, blue capelet, blush, bow, box, brown background, capelet, closed mouth, grey hair, happy valentine, heart, heart-shaped box, long sleeves, looking at viewer, mouse ears, mouse girl, mouse tail, outline, red eyes, red scarf, scarf, shirt, short hair, smile, solo, tail, thick eyebrows, upper body, valentine, white outline, white shirt, yellow bow