2girls, bikini, bikini_skirt, blonde_hair, blue_eyes, blue_hair, blush, bow, breasts, cleavage, closed_mouth, collarbone, cover, cover_page, frilled_bikini, frilled_skirt, frills, hair_between_eyes, hand_in_own_hair, hand_on_another's_hand, horizon, looking_at_another, mikisai, multiple_girls, navel, novel_cover, omoi_no_kasanaru_rakuen_no_senjou._soshite_futari_wa_buki_wo_totta, outdoors, skirt, small_breasts, swimsuit, swimsuit_skirt, yellow_eyes, yuri