waka (wk4444), kamishiro rui, kusanagi nene, project sekai, commentary request, highres, 1boy, 1girl, alternate hair length, alternate hairstyle, blue hair, blue sky, character name, closed mouth, cloud, cloudy sky, facing viewer, green hair, looking at another, looking at viewer, multicolored hair, open mouth, purple eyes, purple hair, sky, smile, star (symbol), streaked hair, two-tone hair, yellow eyes