1girl, adapted costume, ahoge, armpits, arms behind head, black hair, black one-piece swimsuit, blue eyes, braid, breasts, cowboy shot, hair flaps, hair ornament, hair over shoulder, kantai collection, large breasts, multicolored clothes, multicolored swimsuit, one-piece swimsuit, presenting armpit, shigure (kancolle), shigure kai san (kancolle), single braid, solo, swimsuit, tokiwa senkei