1girl, :d, alternate breast size, arm support, arm up, blue-senpai, breasts, completely nude, crossed legs, feet, hair over one eye, large breasts, long hair, microphone stand, multicolored hair, nipples, nude, one piece, one piece film: red, open mouth, purple eyes, red hair, sitting, smile, soles, stage, stage lights, thighs, two-tone hair, uta (one piece), white hair