1girl, air_bubble, aqua_eyes, arms_under_breasts, bang_dream!, bare_arms, bare_shoulders, bikini, bikini_skirt, blue_background, blue_bikini, breasts, bubble, closed_mouth, frilled_bikini, frills, gradient_background, grey_hair, groin, hair_between_eyes, hands_up, hiraken, interlocked_fingers, kurata_mashiro, looking_at_viewer, medium_breasts, medium_hair, navel, official_alternate_costume, own_hands_together, raised_eyebrows, solo, stomach, strap_gap, swimsuit, two-tone_bikini, upper_body, white_bikini