oyama mahiro, onii-chan wa oshimai!, brown eyes, pink hair, long hair, ahoge, 1girl, solo, looking at viewer, confident, smile, open mouth, (floating, floating hair:1.3), in deep space, stars twinkling in the distance, soft cosmic glow, dynamic pose, dynamic angle, (perfection style), (perfect eyes), angol mois \(angol form\), angol mois, two-tone hat, white hat, purple hat, grey hair, hair flaps, long sideburns, yellow eyes, spiked hair, bare shoulders, two-tone collar, white collar, purple collar, purple shirt, white shorts, staff, cape
松岡美羽