1girl, :d, artist name, black neckerchief, blouse, brown eyes, brown hair, dancing, dated, foreshortening, green background, heart, index fingers raised, koi dance, light trail, long sleeves, looking at viewer, messy hair, neckerchief, ooarai school uniform, open mouth, sailor collar, school uniform, serafuku, shirt, short hair, simple background, smile, solo, upper body, valentine, white sailor collar, white shirt