2girls, armband, black sky, blush, breasts, brown eyes, brown hair, brown shorts, brown sweater vest, closed mouth, cloud, day, earth planet, eye contact, falling, feathers, green armband, hair ribbon, hand on another's head, hug, hug from behind, in orbit, injury, long hair, looking at another, medium breasts, medium hair, midair, miniskirt, multiple girls, needle, parted lips, planet, ribbon, school uniform, shirt, short shorts, shorts, shorts under skirt, skirt, sky, smile, space, star sky, starry sky, summer uniform, sweater vest, thigh strap, throwing needles, tokiwadai school uniform, torn clothes, torn shirt, yuri