1girl, alternate costume, barefoot, blue ribbon, cosplay, detached sleeves, dress, fingerless gloves, foreshortening, gloves, hand on own chest, night, pointy ears, purple hair, ribbon, single thighhigh, solo, standing, standing on liquid, tentacle hair, thigh strap, thighhighs, virtual youtuber, water drop, white dress, white gloves, white thighhighs