daku k, cristallo, erick (reverse:1999), la source (reverse:1999), reverse:1999, highres, 3girls, arm up, blanket, blonde hair, blowing whistle, blue sky, border, brown hair, chain-link fence, chibi, elf, fake horns, fence, grass, green eyes, hand up, holding, holding whistle, horned headwear, horns, intravenous drip, iv stand, looking at viewer, mouth hold, multiple girls, open mouth, outdoors, outside border, pointy ears, shirt, short hair, short sleeves, sitting, sky, sweatdrop, whistle, white border, white hair, white shirt, yellow card