2girls, bikini, blonde_hair, blue_eyes, blush, borrowed_character, breasts, chibikko_(morihito), collarbone, commentary_request, dekomegane, glasses, grey_hair, highres, long_hair, looking_at_another, multiple_girls, open_mouth, original, partially_submerged, round_eyewear, sasetsu, sketch, small_breasts, smile, swimsuit, thick_eyebrows, upper_body, water