2girls 3boys arms_up bag balloon barefoot beach bird black_hair black_pants black_skirt blue_sky blush brown_hair bucket closed_eyes cloud commentary_request day facing_viewer flock hanasei highres horizon jumping long_hair looking_at_viewer multiple_boys multiple_girls ocean open_mouth original outdoors outstretched_arm outstretched_arms pants reflection school_bag school_uniform shirt short_hair shorts shoulder_bag skirt sky smile standing teeth waves white_shirt