1girl, ahoge, bare_arms, bare_shoulders, beach, between_legs, bikini, blue-tinted_eyewear, blue_archive, blue_eyes, blush, closed_mouth, day, eyewear_on_head, feet_out_of_frame, frilled_bikini, frills, grey-framed_eyewear, hair_between_eyes, hair_bobbles, hair_ornament, hand_between_legs, heterochromia, hoshino_(blue_archive), hoshino_(swimsuit)_(blue_archive), inflatable_toy, inflatable_whale, leilin, long_hair, looking_away, low_twintails, navel, outdoors, own_hands_together, pink_hair, red_eyes, sand, solo, strap_slip, swimsuit, tinted_eyewear, twintails, very_long_hair, water, white_bikini