tsubame (senran kagura), senran kagura, senran kagura new wave, game cg, official art, third-party source, 1girl, arms behind back, black bow, black dress, black panties, border, bow, breasts, card (medium), character name, closed mouth, day, dress, from below, gluteal fold, green eyes, grey hair, hand on own arm, jewelry, large breasts, long hair, looking at viewer, looking down, necklace, outdoors, panties, smile, solo, swept bangs, thigh strap, town, twintails, underwear, very long hair