tsubame (senran kagura), senran kagura, senran kagura new wave, game cg, official art, third-party source, 1girl, back cutout, border, breasts, card (medium), character name, clothing cutout, diving board, from behind, goggles, goggles on head, green eyes, grey hair, grey one-piece swimsuit, hand to own mouth, high up, highleg, highleg one-piece swimsuit, kneeling, large breasts, long hair, looking at viewer, looking back, nervous, one-piece swimsuit, open mouth, pool, solo, swept bangs, swimsuit, twintails, two-tone one-piece swimsuit, very long hair