asuka (senran kagura), senran kagura, senran kagura new wave, game cg, official art, third-party source, 1girl, arm up, armpits, bikini, bikini skirt, border, breasts, brown eyes, brown hair, butt crack, card (medium), character name, closed mouth, floral print, floral print bikini, from behind, green bikini, hair ribbon, large breasts, long hair, looking at viewer, looking back, o-ring, o-ring top, outdoors, ponytail, print bikini, red scarf, ribbon, scarf, school gateway, short ponytail, smile, solo, strapless, strapless bikini, swimsuit, white ribbon