izumi sai, izayoi sakuya, touhou, breast hold, silver hair, bad id, bad pixiv id, highres, 1girl, :o, bare shoulders, bikini, blue eyes, bow, braid, breasts, cleavage, cowboy shot, crossed arms, dagger, eyewear on head, female focus, frilled bikini, frills, hair bow, knife, large breasts, looking at viewer, navel, open mouth, shiny skin, short hair, side-tie bikini bottom, solo, strap gap, sunglasses, swimsuit, twin braids, weapon