akuma (st.takuma), hibiki (blue archive), blue archive, absurdres, commentary, highres, 1girl, alternate costume, animal ears, arm up, armpits, belt collar, bikini, black hair, blue eyes, blue sky, blush, breasts, closed mouth, collar, cowboy shot, day, diving mask, diving mask on head, dog ears, dog girl, dog tags, dog tail, frilled bikini, frills, goggles, goggles on head, innertube, looking at viewer, navel, outdoors, pink bikini, sky, small breasts, snorkel, solo, standing, stomach, swim ring, swimsuit, tail