1girl 4boys :| abs ass back beach big_belly blindfold blush bodypaint censored closed_mouth cloud completely_nude dark-skinned_female dark-skinned_male dark_skin day erection extra faceless faceless_male facial_hair fat fat_man food food_print fruit highres horizon jack-o'_challenge long_hair lovelovemaid mizuki_yukikaze mob_face multiple_boys muscular muscular_male mustache navel nude ocean outdoors penis pointless_censoring presenting sand shore sky suikawari summer taimanin_(series) taimanin_yukikaze tan top-down_bottom-up twintails water watermelon watermelon_print