odagiri mayu, sayla mass, gundam, mobile suit gundam, 1girl, alternate costume, bare arms, bare legs, bare shoulders, barefoot, blonde hair, blue eyes, breasts, female focus, from side, full body, grin, half-closed eyes, hand on own thigh, lips, looking at viewer, looking to the side, medium breasts, naughty face, neck, one-piece swimsuit, parted bangs, parted lips, pink background, seiza, short hair, simple background, sitting, smile, solo, strapless, strapless one-piece swimsuit, swimsuit