tsubame (senran kagura), senran kagura, senran kagura new wave, game cg, official art, third-party source, 1girl, :o, bedroom, blue bra, blue panties, blue sky, border, bra, breasts, butt crack, card (medium), character name, day, from behind, green eyes, grey hair, large breasts, long hair, looking at viewer, looking back, panties, panty pull, pleated skirt, polka dot, polka dot bra, polka dot panties, skindentation, skirt, sky, solo, swept bangs, twintails, underwear, very long hair