2boys 3girls :d :o ^_^ ahoge aramiya_kiyomi ayame_kotoko bangs barefoot bikini bikini_skirt black_hair blurry blush bokeh bow breasts brown_hair chuuko_demo_koi_ga_shitai! cleavage closed_eyes cloud cover cover_page day depth_of_field dutch_angle eyebrows eyebrows_visible_through_hair frills front-tie_bikini front-tie_top hair_bow hair_ornament hair_ribbon hairclip hands hatsushiba_yuuka knees_together_feet_apart large_breasts laughing leaning_on_person legs_apart long_hair looking_at_another multiple_boys multiple_girls navel ocean official_art one-piece_swimsuit open_mouth otoko_no_ko out_of_frame outdoors outstretched_arms plaid plaid_bikini pov red_ribbon redrop ribbon saitani_ryouma school_swimsuit shirtless short_hair side-tie_bikini signature sky smile spread_fingers standing stomach swimsuit tozaki_keita tripping twintails very_long_hair wading water white_bikini yellow_bikini