1girl, d, arm_support, bare_shoulders, bikini, black-framed_eyewear, blue_archive, blush, brown_eyes, brown_hair, collarbone, dakimakura_(medium), eyewear_on_head, frilled_bikini, frills, hair_between_eyes, hifumi_(blue_archive), hifumi_(swimsuit)_(blue_archive), long_hair, looking_at_viewer, low_twintails, navel, peroro_(blue_archive), round_eyewear, shallow_water, sitting, smile, solo, sui._(ayase), sunglasses, swimsuit, teeth, twintails, upper_teeth_only, very_long_hair, water, white_bikini